''Dioscorea'' is a genus of over 600 species of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
s in the family
Dioscoreaceae
Dioscoreaceae () is a family of monocotyledonous flowering plants, with about 715 known species in nine genera. The best-known member of the family is the yam (some species of ''Dioscorea'').
The APG system (1998) and APG II system (2003) both ...
, native throughout the
tropical
The tropics are the regions of Earth surrounding the equator, where the sun may shine directly overhead. This contrasts with the temperate or polar regions of Earth, where the Sun can never be directly overhead. This is because of Earth's ax ...
and warm
temperate
In geography, the temperate climates of Earth occur in the middle latitudes (approximately 23.5° to 66.5° N/S of the Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ran ...
regions of the world. The vast majority of the species are tropical, with only a few species extending into temperate climates.
It was named by the monk
Charles Plumier
Charles Plumier (; 20 April 1646 – 20 November 1704) was a French botanist after whom the frangipani genus '' Plumeria'' is named. Plumier is considered one of the most important of the botanical explorers of his time. He made three botanizing ...
after the ancient
Greek
Greek may refer to:
Anything of, from, or related to Greece, a country in Southern Europe:
*Greeks, an ethnic group
*Greek language, a branch of the Indo-European language family
**Proto-Greek language, the assumed last common ancestor of all kno ...
physician and botanist
Dioscorides
Pedanius Dioscorides (, ; 40–90 AD), "the father of pharmacognosy", was a Greek physician, pharmacologist, botanist, and author of (in the original , , both meaning "On Materia medica, Medical Material") , a 5-volume Greek encyclopedic phar ...
.
Description
They are
tuber
Tubers are a type of enlarged structure that plants use as storage organs for nutrients, derived from stems or roots. Tubers help plants perennate (survive winter or dry months), provide energy and nutrients, and are a means of asexual reproduc ...
ous
herbaceous
Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials.
Definitions of "herb" and "herbaceous"
The fourth edition of ...
perennial
In horticulture, the term perennial ('' per-'' + '' -ennial'', "through the year") is used to differentiate a plant from shorter-lived annuals and biennials. It has thus been defined as a plant that lives more than 2 years. The term is also ...
liana
A liana is a long-Plant stem, stemmed Woody plant, woody vine that is rooted in the soil at ground level and uses trees, as well as other means of vertical support, to climb up to the Canopy (biology), canopy in search of direct sunlight. T ...
s, growing to or more tall. The
leaves
A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, ...
are spirally arranged, mostly broad heart-shaped. The
flower
Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, m ...
s are individually inconspicuous, greenish-yellow, with six petals; they are mostly
dioecious
Dioecy ( ; ; adj. dioecious, ) is a characteristic of certain species that have distinct unisexual individuals, each producing either male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproduction is ...
, with separate male and female plants, though a few species are
monoecious
Monoecy (; adj. monoecious ) is a sexual system in seed plants where separate male and female cones or flowers are present on the same plant. It is a monomorphic sexual system comparable with gynomonoecy, andromonoecy and trimonoecy, and contras ...
, with male and female flowers on the same plant. The
fruit
In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering.
Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...
is a
capsule in most species, a soft
berry
A berry is a small, pulpy, and often edible fruit. Typically, berries are juicy, rounded, brightly colored, sweet, sour or tart, and do not have a stone or pit although many pips or seeds may be present. Common examples of berries in the cul ...
in a few species.
Most ''Dioscorea'' species that have been examined possess
extrafloral nectaries
Nectar is a viscous, sugar-rich liquid produced by plants in glands called nectaries, either within the flowers with which it attracts pollinating animals, or by extrafloral nectaries, which provide a nutrient source to animal mutualists, ...
at the petiole or leaf underside.
Cultivation and uses
Several species, known as
yams, are important
agricultural
Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created f ...
crops in tropical regions, grown for their large tubers. Many of these are toxic when fresh, but can be detoxified and eaten, and are particularly important in parts of
Africa
Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...
,
Asia
Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...
, and
Oceania
Oceania ( , ) is a region, geographical region including Australasia, Melanesia, Micronesia, and Polynesia. Outside of the English-speaking world, Oceania is generally considered a continent, while Mainland Australia is regarded as its co ...
.
One class of toxins found in many species is
steroid
A steroid is an organic compound with four fused compound, fused rings (designated A, B, C, and D) arranged in a specific molecular configuration.
Steroids have two principal biological functions: as important components of cell membranes t ...
al
saponin
Saponins (Latin ''sapon'', 'soap' + ''-in'', 'one of') are bitter-tasting, usually toxic plant-derived secondary metabolites. They are organic chemicals that become foamy when agitated in water and have high molecular weight. They are present ...
s, which can be converted through a series of chemical reactions into
steroid hormone
A steroid hormone is a steroid that acts as a hormone. Steroid hormones can be grouped into two classes: corticosteroids (typically made in the adrenal cortex, hence ''cortico-'') and sex steroids (typically made in the gonads or placenta). Wit ...
s for use in medicine and as contraceptives.
The 1889 book "The Useful Native Plants of Australia" records that ''
Dioscorea hastifolia
''Dioscorea hastifolia'', the Adjigo (ˈadʒɪɡəʊ) yam, also known as the Warram, is a yam with long, white, edible tubers that is native to Southwest Australia. It is a climbing vine with hastate, spearheaded, leaves and bears green triang ...
'' is "One of the hardiest of the yams. The tubers are largely consumed by the local aborigines for food. (Mueller)."
Accepted species (613), subspecies, and varieties
The genus includes the following species and subspecies:
A
* ''
Dioscorea abysmophila
''Dioscorea abysmophila'' is a herbaceous vine in the genus ''Dioscorea''. It is native to Venezuela
Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continen ...
''
Maguire & Steyerm.
* ''
Dioscorea abyssinica
''Dioscorea abyssinica'' is a herbaceous vine in the genus ''Dioscorea'' native to several Central African countries including Benin, Burkina Faso, Central African Republic, Eritrea, Ethiopia, Ghana, Ivory Coast, Liberia, Mali, Nigeria, Senegal, ...
''
Hochst. ex Kunth
* ''
Dioscorea acanthogene
''Dioscorea acanthogene'' is a herbaceous vine in the genus ''Dioscorea''; it is native to Bolivia, west-central Brazil, Colombia, Paraguay, and Peru.
A specimen collected in Bolivia in 2002 was obtained from a scrubby roadside in a dry, sparsely ...
''
Rusby
* ''
Dioscorea acerifolia
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Phil.
* ''
Dioscorea acuminata''
Baker
* ''
Dioscorea adenantha
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Uline
* ''
Dioscorea aesculifolia''
R.Knuth
* ''
Dioscorea aguilarii''
Standl. & Steyerm.
* ''
Dioscorea alata
''Dioscorea alata''also called ube (), ubi, purple yam, or greater yam, among many other namesis a species of yam (a tuber). The tubers are usually a vivid violet-purple to bright lavender (hence the common name), but some range from creamy ...
''
L.
* ''
Dioscorea alatipes
''Dioscorea alatipes'' is a herbaceous vine in the genus ''Dioscorea''. It is indigenous to the Morondava Prefecture in Madagascar and is listed as a vulnerable on the IUCN Red List in 2017, having previously been listed as endangered in 2001. It ...
''
Burkill & H.Perrier
* ''
Dioscorea althaeoides''
R.Knuth
* ''
Dioscorea altissima''
Lam.
* ''
Dioscorea amaranthoides''
C.Presl
* ''
Dioscorea amazonum''
Mart. ex Griseb.
* ''
Dioscorea amazonum var. klugii''
(R.Knuth) Ayala
* ''
Dioscorea amoena''
R.Knuth
* ''
Dioscorea analalavensis
''Dioscorea analalavensis'' is a herbaceous vine in the genus ''Dioscorea
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. Th ...
''
Jum. & H.Perrier
* ''
Dioscorea ancachsensis''
R.Knuth
* ''
Dioscorea andina
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Phil.
* ''
Dioscorea andromedusae''
O.Téllez
* ''
Dioscorea angustifolia''
Rusby
* ''
Dioscorea anomala''
Griseb.
* ''
Dioscorea antaly
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Jum. & H.Perrier
* ''
Dioscorea antucoana''
Uline ex R.Knuth
* ''
Dioscorea arachidna''
Prain & Burkill
* ''
Dioscorea araucana
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Phil.
* ''
Dioscorea arcuatinervis''
Hochr.
* ''
Dioscorea argyrogyna''
Uline ex R.Knuth
* ''
Dioscorea arifolia''
C.Presl
* ''
Dioscorea aristolochiifolia''
Poepp.
* ''
Dioscorea arnensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R. Knuth
* ''
Dioscorea asclepiadea''
Prain & Burkill
* ''
Dioscorea aspera''
Humb. & Bonpl. ex Willd.
* ''
Dioscorea aspersa''
Prain & Burkill
* ''
Dioscorea asperula''
Pedralli
* ''
Dioscorea asteriscus
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Burkill
* ''
Dioscorea atrescens''
R.Knuth
* ''
Dioscorea auriculata''
Poepp.
B
* ''
Dioscorea bahiensis''
R.Knuth
* ''
Dioscorea bako''
Wilkin
* ''
Dioscorea balcanica''
Košanin
* ''
Dioscorea bancana
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Prain & Burkill
* ''
Dioscorea banzhuana
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
S.J.Pei & C.T.Ting
* ''
Dioscorea bartlettii
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
C.V.Morton
* ''
Dioscorea basiclavicaulis''
Rizzini & A.Mattos
* ''
Dioscorea baya''
De Wild.
* ''
Dioscorea beecheyi''
R.Knuth
* ''
Dioscorea belophylla
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
(Prain) Voigt ex Haines
* ''
Dioscorea bemandry''
Jum. & H.Perrier
* ''
Dioscorea bemarivensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Jum. & H.Perrier
* ''
Dioscorea benthamii''
Prain & Burkill
* ''
Dioscorea berenicea''
McVaugh
* ''
Dioscorea bermejensis''
R.Knuth
* ''
Dioscorea bernoulliana''
Prain & Burkill
* ''
Dioscorea besseriana''
Kunth
* ''
Dioscorea beyrichii''
R.Knuth
* ''
Dioscorea bicolor''
Prain & Burkill
* ''
Dioscorea biformifolia''
S.J.Pei & C.T.Ting
* ''
Dioscorea biloba''
(Phil.) Caddick & Wilkin
* ''
Dioscorea biplicata''
R.Knuth
* ''
Dioscorea birmanica''
Prain & Burkill
* ''
Dioscorea birschelii
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Harms ex R.Knuth
* ''
Dioscorea blumei
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Prain & Burkill
* ''
Dioscorea bolivarensis''
Steyerm.
* ''
Dioscorea bonii''
Prain & Burkill
* ''
Dioscorea bosseri''
Haigh & Wilkin
* ''
Dioscorea brachybotrya''
Poepp.
* ''
Dioscorea brachystachya''
Phil.
* ''
Dioscorea bradei
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea brandisii''
Prain & Burkill
* ''
Dioscorea brevipetiolata''
Prain & Burkill
* ''
Dioscorea bridgesii''
Griseb. ex Kunth
* ''
Dioscorea brownii''
Schinz
* ''
Dioscorea bryoniifolia''
Poepp.
* ''
Dioscorea buchananii''
Benth.
* ''
Dioscorea buckleyana''
Wilkin
* ''
Dioscorea bulbifera
''Dioscorea bulbifera'' (commonly known as the air potato, air yam, bitter yam, cheeky yam, potato yam, aerial yam, and parsnip yam) is a species of true yam in the yam family, Dioscoreaceae. It is native to Africa, Asia and northern Australia. ...
''
L.
* ''
Dioscorea bulbotricha''
Hand.-Mazz.
* ''
Dioscorea burchellii''
Baker
* ''
Dioscorea burkilliana''
J.Miège
C
* ''
Dioscorea cachipuertensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Ayala
* ''
Dioscorea calcicola''
Prain & Burkill
* ''
Dioscorea caldasensis''
R.Knuth
* ''
Dioscorea calderillensis''
R.Knuth
* ''
Dioscorea callacatensis''
R.Knuth
* ''
Dioscorea cambodiana''
Prain & Burkill
* ''
Dioscorea campanulata''
Uline ex R.Knuth
* ''
Dioscorea campestris''
Griseb.
* ''
Dioscorea campos-portoi''
R.Knuth
* ''
Dioscorea carionis''
Prain & Burkill
* ''
Dioscorea carpomaculata''
O.Téllez & B.G.Schub.
* ''
Dioscorea carpomaculata var. cinerea
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
(Uline ex R.Knuth) O.Téllez & B.G.Schub.
* ''
Dioscorea castilloniana
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Hauman
* ''
Dioscorea catharinensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea caucasica
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Lipsky
* ''
Dioscorea cavenensis''
Lam.
* ''
Dioscorea cayennensis
''Dioscorea cayenensis'' is a species of yam in the genus '' Dioscorea'' that is a widely consumed West African domesticated crop. '' Dioscorea rotundata'' is sometimes treated as a subspecies, and sometimes also as a separate species. Common na ...
''
Lam.
* ''
Dioscorea cayennensis subsp. rotundata''
(Poir.) J.Miège; syn.: ''
D. rotundata'' Poir.
* ''
Dioscorea ceratandra''
Uline ex R.Knuth
* ''
Dioscorea chacoensis''
R.Knuth
* ''
Dioscorea chagllaensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea chancayensis''
R.Knuth
* ''
Dioscorea chaponensis''
R.Knuth
* ''
Dioscorea chiapasensis''
Matuda
* ''
Dioscorea chimborazensis''
R.Knuth
* ''
Dioscorea chingii''
Prain & Burkill
* ''
Dioscorea choriandra''
Uline ex R.Knuth
* ''
Dioscorea chouardii''
Gaussen
* ''
Dioscorea cienegensis''
R.Knuth
* ''
Dioscorea cinnamomifolia''
Hook.
* ''
Dioscorea cirrhosa''
Lour.
* ''
Dioscorea cissophylla''
Phil.
* ''
Dioscorea claessensii
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
De Wild.
* ''
Dioscorea claussenii''
Uline ex R.Knuth
* ''
Dioscorea claytonii
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Ayala
* ''
Dioscorea cochleariapiculata
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
De Wild.
* ''
Dioscorea collettii''
Hook.f.
* ''
Dioscorea collettii var. hypoglauca''
(Palib.) S.J.Pei & C.T.Ting
* ''
Dioscorea communis
''Dioscorea communis'' or ''Tamus communis'' is a species of flowering plant in the yam family Dioscoreaceae and is commonly known as black bryony, lady's-seal or black bindweed.
Description
It is a climbing herbaceous plant growing to 2–4 m ...
''
(L.) Caddick & Wilkin
* ''
Dioscorea commutata''
R.Knuth
* ''
Dioscorea comorensis''
R.Knuth
* ''
Dioscorea composita
''Dioscorea composita'', or barbasco, is a species of yam in the family '' Dioscoreaceae''. It is native to Mexico. It is notable for its role in the production of diosgenin, which is a precursor for the synthesis of hormones such as progester ...
''
Hemsl.
* ''
Dioscorea contracta''
R.Knuth
* ''
Dioscorea convolvulacea''
Cham. & Schltdl.
* ''
Dioscorea convolvulacea subsp. grandifolia''
(Schltdl.) Uline ex R.Knuth
* ''
Dioscorea conzattii''
R.Knuth
* ''
Dioscorea cordifolia''
Laness.
* ''
Dioscorea coreana''
(Prain & Burkill) R.Knuth
* ''
Dioscorea coriacea''
Humb. & Bonpl. ex Willd.
* ''
Dioscorea coripatenis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
J.F.Macbr.
* ''
Dioscorea coronata
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Hauman
* ''
Dioscorea cotinifolia''
Kunth
* ''
Dioscorea craibiana''
Prain & Burkill
* ''
Dioscorea crateriflora
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea crotalariifolia''
Uline
* ''
Dioscorea cruzensis''
R.Knuth
* ''
Dioscorea cubensis''
R.Knuth
* ''
Dioscorea cumingii''
Prain & Burkill
* ''
Dioscorea curitybensis''
R.Knuth
* ''
Dioscorea cuspidata''
Humb. & Bonpl. ex Willd.
* ''
Dioscorea cuyabensis''
R.Knuth
* ''
Dioscorea cyanisticta''
J.D.Sm.
* ''
Dioscorea cymosula''
Hemsl.
* ''
Dioscorea cyphocarpa''
C.B.Rob. ex Knuth
D
* ''
Dioscorea daunea
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Prain & Burkill
* ''
Dioscorea davidsei''
O.Téllez
* ''
Dioscorea de-mourae''
Uline ex R.Knuth
* ''
Dioscorea debilis''
Uline ex R.Knuth
* ''
Dioscorea decaryana
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
H.Perrier
* ''
Dioscorea decipiens''
Hook.f.
* ''
Dioscorea decorticans''
C.Presl
* ''
Dioscorea deflexa''
Griseb.
* ''
Dioscorea delavayi''
Franch.
* ''
Dioscorea delicata
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea deltoidea''
Wall. ex Griseb.
* ''
Dioscorea dendrotricha''
Uline
* ''
Dioscorea densiflora''
Hemsl.
* ''
Dioscorea depauperata''
Prain & Burkill
* ''
Dioscorea diamantinensis''
R.Knuth
* ''
Dioscorea dicranandra''
Donn.Sm.
* ''
Dioscorea dielsii''
R.Knuth
* ''
Dioscorea dissimulans''
Prain & Burkill
* ''
Dioscorea divaricata''
Blanco
* ''
Dioscorea diversifolia
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Griseb.
* ''
Dioscorea dodecaneura
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Vell.
* ''
Dioscorea dregeana
''Dioscorea dregeana'', the wild yam, is a perennial creeper that is native to the eastern parts of southern Africa. It is commonly used and traded as a traditional medicine, or muti.
Range
It is native to eastern South Africa and Eswatini
...
''
(Kunth) T.Durand & Schinz
* ''
Dioscorea duchassaingii
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea dugesii''
C.B.Rob.
* ''
Dioscorea dumetorum
''Dioscorea dumetorum'', also known as the bitter yam, cluster yam, trifoliate yam, or three-leaved yam, is a species of flowering plant in the yam family, ''Dioscorea.'' It is native to sub-Saharan Africa and especially common in the tropical r ...
''
(Kunth) Pax
* ''
Dioscorea dumetosa''
Uline ex R.Knuth
E
* ''
Dioscorea ekmanii''
R.Knuth
* ''
Dioscorea elegans''
Ridl. ex Prain & Burkill
* ''
Dioscorea elephantipes
''Dioscorea elephantipes'', the elephant's foot yam or Hottentot bread, is a species of flowering plant in the genus ''Dioscorea'' of the family (biology), family Dioscoreaceae, native plant, native to the dry interior of South Africa.
Descripti ...
''
(L'Hér.) Engl.
* ''
Dioscorea entomophila
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Hauman
* ''
Dioscorea epistephioides''
Taub.
* ''
Dioscorea escuintlensis''
Matuda
* ''
Dioscorea esculenta
''Dioscorea esculenta'', commonly known as the lesser yam, is a yam species native to Island Southeast Asia and introduced to Near Oceania and East Africa by early Austronesian voyagers. It is grown for their edible tubers, though it has small ...
''
(Lour.) Burkill
* ''
Dioscorea esquirolii''
Prain & Burkill
* ''
Dioscorea exalata''
C.T.Ting & M.C.Chang
F
* ''
Dioscorea fandra''
H.Perrier
* ''
Dioscorea fasciculocongesta''
(Sosa & B.G.Schub.) O.Téllez
* ''
Dioscorea fastigiata''
Gay
* ''
Dioscorea fendleri''
R.Knuth
* ''
Dioscorea ferreyrae
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Ayala
* ''
Dioscorea filiformis''
Blume
* ''
Dioscorea flabellifolia
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Prain & Burkill
* ''
Dioscorea flaccida''
R.Knuth
* ''
Dioscorea floribunda
''Dioscorea floribunda'', the medicinal yam or mule's-hoof, is a species of flowering plant in the family Dioscoreaceae. It is found from central Mexico to northern Central America. It is grown commercially for its diosgenin
Diosgenin, a phyt ...
''
M.Martens & Galeotti
* ''
Dioscorea floridana''
Bartlett
* ''
Dioscorea fodinarum''
Kunth
* ''
Dioscorea fordii''
Prain & Burkill
* ''
Dioscorea formosana''
R.Knuth
* ''
Dioscorea fractiflexa''
R.Knuth
* ''
Dioscorea fuliginosa
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea furcata''
Griseb.
* ''
Dioscorea futschauensis''
Uline ex R.Knuth
G
* ''
Dioscorea galeottiana
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Kunth
* ''
Dioscorea galiiflora''
R.Knuth
* ''
Dioscorea gallegosi''
Matuda
* ''
Dioscorea garrettii''
Prain & Burkill
* ''
Dioscorea gaumeri''
R.Knuth
* ''
Dioscorea gentryi''
O.Téllez
* ''
Dioscorea gillettii''
Milne-Redh.
* ''
Dioscorea glabra
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Roxb.
* ''
Dioscorea glandulosa''
(Griseb.) Klotzsch ex Kunth
* ''
Dioscorea glandulosa var. calcensis''
(R.Knuth) Ayala
* ''
Dioscorea glomerulata''
Hauman
* ''
Dioscorea gomez-pompae
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
O.Téllez
* ''
Dioscorea gracilicaulis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea gracilipes''
Prain & Burkill
* ''
Dioscorea gracilis''
Hook. ex Poepp.
* ''
Dioscorea gracillima''
Miq.
* ''
Dioscorea grandiflora''
Mart. ex Griseb.
* ''
Dioscorea grandis''
R.Knuth
* ''
Dioscorea grata''
Prain & Burkill
* ''
Dioscorea gribinguiensis''
Baudon
* ''
Dioscorea grisebachii''
Kunth
* ''
Dioscorea guerrerensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea guianensis''
R.Knuth
H
* ''
Dioscorea haenkeana''
C.Presl
* ''
Dioscorea hamiltonii
''Dioscorea hamiltonii'' is a species of ''Dioscorea'' native to southern China, Taiwan, northern Indochina (Thailand, Vietnam, Myanmar) and the Himalayas (Nepal, Sikkim, Bhutan, Assam).Wilkin, P. & Thapyai, C. (2009). Flora of Thailand 10(1): 1- ...
''
Hook.f.
* ''
Dioscorea hassleriana''
Chodat
* ''
Dioscorea hastata
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Mill.
* ''
Dioscorea hastatissima''
Rusby
* ''
Dioscorea hastifolia
''Dioscorea hastifolia'', the Adjigo (ˈadʒɪɡəʊ) yam, also known as the Warram, is a yam with long, white, edible tubers that is native to Southwest Australia. It is a climbing vine with hastate, spearheaded, leaves and bears green triang ...
''
Nees
* ''
Dioscorea hastiformis''
R.Knuth
* ''
Dioscorea haumanii''
Xifreda
* ''
Dioscorea havilandii''
Prain & Burkill
* ''
Dioscorea hebridensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea hemicrypta
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Burkill
* ''
Dioscorea hemsleyi''
Prain & Burkill
* ''
Dioscorea heptaneura''
Vell.
* ''
Dioscorea herbert-smithii''
Rusby
* ''
Dioscorea herzogii''
R.Knuth
* ''
Dioscorea heteropoda''
Baker
* ''
Dioscorea hexagona''
Baker
* ''
Dioscorea hieronymi''
Uline ex R.Knuth
* ''
Dioscorea hintonii''
R.Knuth
* ''
Dioscorea hirtiflora
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extendin ...
''
Benth.
* ''
Dioscorea hirtiflora subsp. orientalis''
Milne-Redh.
* ''
Dioscorea hispida
''Dioscorea hispida'', also known as the Indian three-leaved yam, (Tagalog: nami, Indonesia: gadung) is a species of yam in the genus ''Dioscorea'', native to South and Southeast Asia. Known to be poisonous when fresh, careful processing is requ ...
''
Dennst.
* ''
Dioscorea holmioidea''
Maury
* ''
Dioscorea hombuka
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
H.Perrier
* ''
Dioscorea hondurensis''
R.Knuth
* ''
Dioscorea howardiana''
O.Téllez, B.G.Schub. & Geeta
* ''
Dioscorea humifusa''
Poepp.
* ''
Dioscorea humilis''
Bertero ex Colla
* ''
Dioscorea humilis subsp. polyanthes''
(F.Phil.) Viruel, Segarra & Villar
* ''
Dioscorea hunzikeri''
Xifreda
I
* ''
Dioscorea igualamontana''
Matuda
* ''
Dioscorea incayensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea inopinata''
Prain & Burkill
* ''
Dioscorea insignis''
C.V.Morton & B.G.Schub.
* ''
Dioscorea intermedia''
Thwaites
* ''
Dioscorea ionophylla''
Uline ex R.Knuth
* ''
Dioscorea iquitosensis''
R.Knuth
* ''
Dioscorea irupanensis''
R.Knuth
* ''
Dioscorea itapirensis''
R.Knuth
* ''
Dioscorea itatiensis''
R.Knuth
J
* ''
Dioscorea jaliscana''
S.Watson
* ''
Dioscorea jamesonii''
R.Knuth
* ''
Dioscorea japonica
''Dioscorea japonica'', known as East Asian mountain yam, yamaimo, or Japanese mountain yam, is a type of yam (vegetable), yam (''Dioscorea'') native to Japan (including Ryukyu Islands, Ryukyu and Bonin Islands), Korea, China, Taiwan, and Assam.
...
''
Thunb. - ''Shan yao'' in Chinese ()
* ''
Dioscorea javariensis''
Ayala
* ''
Dioscorea juxtlahuacensis''
(O.Téllez & Dávila) Caddick & Wilkin
K
* ''
Dioscorea kalkapershadii''
Prain & Burkill
* ''
Dioscorea kamoonensis''
Kunth
* ''
Dioscorea keduensis''
Burkill ex Backer
* ''
Dioscorea kerrii''
Prain & Burkill
* ''
Dioscorea killipii
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea kimiae''
Wilkin
* ''
Dioscorea kingii''
R.Knuth
* ''
Dioscorea kituiensis''
Wilkin & Muasya
* ''
Dioscorea kjellbergii''
R.Knuth
* ''
Dioscorea knuthiana''
De Wild.
* ''
Dioscorea koepperi''
Standl.
* ''
Dioscorea koyamae
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Jayas.
* ''
Dioscorea kratica''
Prain & Burkill
* ''
Dioscorea kunthiana''
Uline
* ''
Dioscorea kuntzei''
Uline ex Kuntze
L
* ''
Dioscorea lacerdaei''
Griseb.
* ''
Dioscorea laevis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Uline
* ''
Dioscorea lamprocaula
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Prain & Burkill
* ''
Dioscorea lanata''
Bail
* ''
Dioscorea larecajensis''
Uline ex R.Knuth
* ''
Dioscorea laurifolia''
Wall. ex Hook.f.
* ''
Dioscorea lawrancei''
R.Knuth
* ''
Dioscorea laxiflora''
Mart. ex Griseb.
* ''
Dioscorea lehmannii''
Uline
* ''
Dioscorea lepcharum''
Prain & Burkill
* ''
Dioscorea lepida''
C.V.Morton
* ''
Dioscorea leptobotrys
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Uline ex R.Knuth
* ''
Dioscorea liebmannii
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Uline
* ''
Dioscorea lijiangensis''
C.L.Long & H.Li
* ''
Dioscorea linearicordata''
Prain & Burkill
* ''
Dioscorea lisae''
Dorr & Stergios
* ''
Dioscorea listeri''
Prain & Burkill
* ''
Dioscorea litoralis''
Phil.
* ''
Dioscorea loefgrenii''
R.Knuth
* ''
Dioscorea loheri''
Prain & Burkill
* ''
Dioscorea longicuspis''
R.Knuth
* ''
Dioscorea longipes''
Phil.
* ''
Dioscorea longirhiza''
Caddick & Wilkin
* ''
Dioscorea longituba''
Uline
* ''
Dioscorea lundii''
Uline ex R.Knuth
* ''
Dioscorea luzonensis''
Schauer
M
* ''
Dioscorea macbrideana''
R.Knuth
* ''
Dioscorea maciba
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Jum. & H.Perrier
* ''
Dioscorea macrantha''
Uline ex R.Knuth
* ''
Dioscorea macrothyrsa''
Uline
* ''
Dioscorea macvaughii''
B.G.Schub.
* ''
Dioscorea madecassa
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
H.Perrier
* ''
Dioscorea madiunensis''
Prain & Burkill
* ''
Dioscorea maianthemoides''
Uline ex R.Knuth
* ''
Dioscorea mamillata
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Jum. & H.Perrier
* ''
Dioscorea mandonii''
Rusby
* ''
Dioscorea mangenotiana''
J.Miège
* ''
Dioscorea mantigueirensis''
R.Knuth
* ''
Dioscorea margarethia''
G.M.Barroso, E.F.Guim. & Sucre
* ''
Dioscorea marginata''
Griseb.
* ''
Dioscorea martensis''
R.Knuth
* ''
Dioscorea martiana''
Griseb.
* ''
Dioscorea martini
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Prain & Burkill
* ''
Dioscorea matagalpensis''
Uline
* ''
Dioscorea matudae''
O.Téllez & B.G.Schub.
* ''
Dioscorea mayottensis''
Wilkin
* ''
Dioscorea megacarpa''
Gleason
* ''
Dioscorea megalantha
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Griseb.
* ''
Dioscorea melanophyma''
Prain & Burkill
* ''
Dioscorea melastomatifolia''
Uline ex Prain
* ''
Dioscorea membranacea''
Pierre ex Prain & Burkill
* ''
Dioscorea menglaensis''
H.Li
* ''
Dioscorea meridensis''
Kunth
* ''
Dioscorea merrillii''
Prain & Burkill
* ''
Dioscorea mesoamericana''
O.Téllez & Mart.-Rodr.
* ''
Dioscorea mexicana
''Dioscorea mexicana'', Mexican yam or ''cabeza de negro'' is a species of Yam (vegetable), yam in the genus ''Dioscorea''.
''Dioscorea mexicana'' is a caudiciform dioscorea having either a partly to completely above-ground dome-shaped caudex ...
''
Scheidw.
* ''
Dioscorea microbotrya''
Griseb.
* ''
Dioscorea microcephala''
Uline
* ''
Dioscorea microura''
R.Knuth
* ''
Dioscorea mindanaensis''
R.Knuth
* ''
Dioscorea minima
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
C.B.Rob. & Seaton
* ''
Dioscorea minutiflora''
Engl.
* ''
Dioscorea mitis''
C.V.Morton
* ''
Dioscorea mitoensis''
R.Knuth
* ''
Dioscorea modesta''
Phil.
* ''
Dioscorea mollis''
Kunth
* ''
Dioscorea monadelpha
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
(Kunth) Griseb.
* ''
Dioscorea × monandra''
Hauman
* ''
Dioscorea morelosana''
(Uline) Matuda
* ''
Dioscorea moritziana''
(Kunth) R.Knuth
* ''
Dioscorea mosqueirensis''
R.Knuth
* ''
Dioscorea moultonii''
Prain & Burkill
* ''
Dioscorea moyobambensis''
R.Knuth
* ''
Dioscorea mucronata
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Uline ex R.Knuth
* ''
Dioscorea multiflora
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Mart. ex Griseb.
* ''
Dioscorea multiloba''
Kunth
* ''
Dioscorea multinervis''
Benth.
* ''
Dioscorea mundii''
Baker
N
* ''
Dioscorea nako''
H.Perrier
* ''
Dioscorea namorokensis''
Wilkin
* ''
Dioscorea nana''
Poepp.
* ''
Dioscorea nanlaensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
H.Li
* ''
Dioscorea natalensis''
R.Knuth
* ''
Dioscorea natalia''
Hammel
* ''
Dioscorea neblinensis''
Maguire & Steyerm.
* ''
Dioscorea nelsonii''
Uline ex R.Knuth
* ''
Dioscorea nematodes''
Uline ex R.Knuth
* ''
Dioscorea nervata''
R.Knuth
* ''
Dioscorea nervosa
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Phil.
* ''
Dioscorea nicolasensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea nieuwenhuisii''
Prain & Burkill
* ''
Dioscorea nipensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.A.Howard
* ''
Dioscorea nipponica''
Makino
* ''
Dioscorea nitens''
Prain & Burkill
* ''
Dioscorea nuda''
R.Knuth
* ''
Dioscorea nummularia''
Lam.
* ''
Dioscorea nutans''
R.Knuth
O
* ''
Dioscorea oaxacensis''
Uline
* ''
Dioscorea obcuneata''
Hook.f.
* ''
Dioscorea oblonga''
Gleason
* ''
Dioscorea oblongifolia''
Rusby
* ''
Dioscorea obtusifolia''
Hook. & Arn.
* ''
Dioscorea olfersiana''
Klotzsch ex Griseb.
* ''
Dioscorea oligophylla''
Phil.
* ''
Dioscorea omiltemensis''
O.Téllez
* ''
Dioscorea opaca''
R.Knuth
* ''
Dioscorea oppositiflora''
Griseb.
* ''
Dioscorea oppositifolia''
L. - ''Shan yao'' in Chinese ()
* ''
Dioscorea orangeana''
Wilkin
* ''
Dioscorea orbiculata''
Hook.f.
* ''
Dioscorea orbiculata var. tenuifolia''
(Ridl.) Thapyai
* ''
Dioscorea oreodoxa''
B.G.Schub.
* ''
Dioscorea organensis''
R.Knuth
* ''
Dioscorea orientalis''
(J.Thiébaut) Caddick & Wilkin
* ''
Dioscorea orizabensis''
Uline
* ''
Dioscorea orthogoneura''
Uline ex Hochr.
* ''
Dioscorea oryzetorum''
Prain & Burkill
* ''
Dioscorea ovalifolia''
R.Knuth
* ''
Dioscorea ovata
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Vell.
* ''
Dioscorea ovinala''
Baker
P
* ''
Dioscorea palawana''
Prain & Burkill
* ''
Dioscorea paleata''
Burkill
* ''
Dioscorea pallens''
Schltdl.
* ''
Dioscorea pallidinervia
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea palmeri''
R.Knuth
* ''
Dioscorea panamensis''
R.Knuth
* ''
Dioscorea panthaica
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extendin ...
''
Prain & Burkill
* ''
Dioscorea pantojensis''
R.Knuth
* ''
Dioscorea paradoxa''
Prain & Burkill
* ''
Dioscorea pavonii''
Uline ex R.Knuth
* ''
Dioscorea pedicellata''
Phil.
* ''
Dioscorea pencana''
Phil.
* ''
Dioscorea pendula''
Poepp. ex Kunth
* ''
Dioscorea pentaphylla
''Dioscorea pentaphylla'' is a species of flowering plant in the yam family known by the common name fiveleaf yam. It is native to southern and eastern Asia (China, India, Indochina, Indonesia, Philippines, etc.) as well as New Guinea, Sri Lank ...
''
L.
* ''
Dioscorea peperoides''
Prain & Burkill
* ''
Dioscorea perdicum''
Taub.
* ''
Dioscorea perenensis''
R.Knuth
* ''
Dioscorea perpilosa''
H.Perrier
* ''
Dioscorea petelotii
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Prain & Burkill
* ''
Dioscorea philippiana''
Uline ex R.Knuth
* ''
Dioscorea piauhyensis''
R.Knuth
* ''
Dioscorea pierrei
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Prain & Burkill
* ''
Dioscorea pilcomayensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Hauman
* ''
Dioscorea pilgeriana
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea pilosiuscula''
Bertero ex Spreng.
* ''
Dioscorea pinedensis''
R.Knuth
* ''
Dioscorea piperifolia
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Humb. & Bonpl. ex Willd.
* ''
Dioscorea piscatorum
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Prain & Burkill
* ''
Dioscorea pittieri''
R.Knuth
* ''
Dioscorea planistipulosa''
Uline ex R.Knuth
* ''
Dioscorea plantaginifolia''
R.Knuth
* ''
Dioscorea platycarpa''
Prain & Burkill
* ''
Dioscorea platycolpota''
Uline ex B.L.Rob.
* ''
Dioscorea plumifera
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
C.B.Rob.
* ''
Dioscorea pohlii''
Griseb.
* ''
Dioscorea pohlii var. luschnathiana
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
(Kunth) Uline ex R.Knuth
* ''
Dioscorea poilanei
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Prain & Burkill
* ''
Dioscorea polyclados''
Hook.f.
* ''
Dioscorea polygonoides
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Humb. & Bonpl. ex Willd.
* ''
Dioscorea polystachya
''Dioscorea polystachya'' or Chinese yam ( zh, s=山药, t=山藥), also called cinnamon-vine, is a species of flowering plant in the yam family. It is sometimes called Chinese potato or by its Korean name ''ma''. It is also called huaishan in M ...
''
Turcz. (also: ''Dioscorea batatas
Decne'')
* ''
Dioscorea pomeroonensis''
R.Knuth
* ''
Dioscorea potarensis''
R.Knuth
* ''
Dioscorea praehensilis
''Dioscorea praehensilis'' is a species of yam in the genus ''Dioscorea'' native to Africa. It is the wild progenitor of the West African domesticated crops '' Dioscorea rotundata'' and '' Dioscorea cayennensis''. It is a liana
A liana i ...
''
Benth.
* ''
Dioscorea prainiana''
R.Knuth
* ''
Dioscorea prazeri''
Prain & Burkill
* ''
Dioscorea preslii''
Steud.
* ''
Dioscorea preussii''
Pax
* ''
Dioscorea preussii subsp. hylophila
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
(Harms) Wilkin
* ''
Dioscorea pringlei''
C.B.Rob.
* ''
Dioscorea proteiformis''
H.Perrier
* ''
Dioscorea psammophila''
R.Knuth
* ''
Dioscorea pseudomacrocapsa''
G.M.Barroso, E.F.Guim. & Sucre
* ''
Dioscorea pseudorajanioides''
R.Knuth
* ''
Dioscorea pseudotomentosa''
Prain & Burkill
* ''
Dioscorea pteropoda''
Boivin ex H.Perrier
* ''
Dioscorea pubera''
Blume
* ''
Dioscorea pubescens
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Poir.
* ''
Dioscorea pumicicola''
Uline
* ''
Dioscorea pumilio''
Griseb.
* ''
Dioscorea puncticulata''
R.Knuth
* ''
Dioscorea purdiei''
R.Knuth
* ''
Dioscorea putisensis''
R.Knuth
* ''
Dioscorea putumayensis
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea pynaertii''
De Wild.
* ''
Dioscorea pyrenaica''
Bubani & Bordère ex Gren.
* ''
Dioscorea pyrifolia''
Kunth
Q
* ''
Dioscorea quartiniana
''Dioscorea quartiniana'' is a climbing tuber geophyte in the family Dioscoreaceae. It is native to Benin, Botswana, Burundi, Chad, Congo, Côte d'Ivoire (Ivory Coast), Eritrea, Ethiopia, Gambia, Ghana, Kenya, Madagascar, Malawi, Mozambique, Nam ...
''
A.Rich.
* ''
Dioscorea quaternata
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extendin ...
''
J.F. Gmel.
* ''
Dioscorea quinquelobata''
Thunb.
* ''
Dioscorea quispicanchensis''
R.Knuth
R
* ''
Dioscorea racemosa''
(Klotzsch) Uline
* ''
Dioscorea regnellii''
Uline ex R.Knuth
* ''
Dioscorea remota''
C.V.Morton
* ''
Dioscorea remotiflora
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Kunth
* ''
Dioscorea reticulata''
Gay
* ''
Dioscorea retusa''
Mast.
* ''
Dioscorea reversiflora''
Uline
* ''
Dioscorea ridleyi''
Prain & Burkill
* ''
Dioscorea riedelii
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
R.Knuth
* ''
Dioscorea rigida''
R.Knuth
* ''
Dioscorea rimbachii
''Dioscorea rimbachii'' is a species in the family Dioscoreaceae. It is endemic to Ecuador
Ecuador, officially the Republic of Ecuador, is a country in northwestern South America, bordered by Colombia on the north, Peru on the east and s ...
''
R.Knuth
* ''
Dioscorea rockii''
Prain & Burkill
* ''
Dioscorea rosei''
R.Knuth
* ''
Dioscorea rumicoides''
Griseb.
* ''
Dioscorea rupicola
''Dioscorea'' is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending ...
''
Kunth
* ''Dioscorea rusbyi''
Uline
S
* ''Dioscorea sabarensis''
R.Knuth
* ''Dioscorea sagittata''
Poir.
* ''Dioscorea sagittifolia''
Pax
* ''Dioscorea sagittifolia var. lecardii''
(De Wild.) Nkounkou
* ''Dioscorea salicifolia''
Blume
* ''Dioscorea salvadorensis''
Standl.
* ''Dioscorea sambiranensis''
R.Knuth
* ''Dioscorea sanchez-colini''
Matuda
* ''Dioscorea sandiensis''
R.Knuth
* ''Dioscorea sandwithii''
B.G.Schub.
* ''Dioscorea sanpaulensis''
R.Knuth
* ''Dioscorea sansibarensis''
Pax
* ''Dioscorea santanderensis''
R.Knuth
* ''Dioscorea santosensis''
R.Knuth
* ''Dioscorea sarasinii''
Uline ex R.Knuth
* ''Dioscorea saxatilis''
Poepp.
* ''Dioscorea scabra''
Humb. & Bonpl. ex Willd.
* ''Dioscorea schimperiana''
Hochst. ex Kunth
* ''Dioscorea schubertiae''
Ayala
* ''Dioscorea schunkei''
Ayala & T.Clayton
* ''Dioscorea schwackei''
Uline ex R.Knuth
* ''Dioscorea scortechinii''
Prain & Burkill
* ''Dioscorea secunda''
R.Knuth
* ''Dioscorea sellowiana''
Uline ex R.Knuth
* ''Dioscorea semperflorens''
Uline
* ''Dioscorea septemloba''
Thunb.
* ''Dioscorea septemnervis''
Vell.
* ''Dioscorea sericea''
R.Knuth
* ''Dioscorea seriflora''
Jum. & H.Perrier
* ''Dioscorea serpenticola''
Hoque & P.K.Mukh.
* ''Dioscorea sessiliflora''
McVaugh
* ''Dioscorea sexrimata''
Burkill
* ''Dioscorea simulans''
Prain & Burkill
* ''Dioscorea sincorensis''
R.Knuth
* ''Dioscorea sinoparviflora''
C.T.Ting, M.G.Gilbert & Turland
* ''Dioscorea sinuata''
Vell.
* ''Dioscorea sitamiana''
Prain & Burkill
* ''Dioscorea skottsbergii''
R.Knuth
* ''Dioscorea smilacifolia''
De Wild. & T.Durand
* ''Dioscorea sonlaensis''
R.Knuth
* ''Dioscorea sororopana''
Steyerm.
* ''Dioscorea soso''
Jum. & H.Perrier
* ''Dioscorea soso var. trichopoda''
(Jum. & H.Perrier) Burkill & H.Perrier
* ''Dioscorea spectabilis''
R.Knuth
* ''Dioscorea spicata''
Roth
* ''Dioscorea spiculiflora''
Hemsl.
* ''Dioscorea spiculoides''
Matuda
* ''Dioscorea spongiosa''
J.Q.Xi, M.Mizuno & W.L.Zhao
* ''Dioscorea sprucei''
Uline ex R.Knuth
* ''Dioscorea standleyi''
C.V.Morton
* ''Dioscorea stegelmanniana''
R.Knuth
* ''Dioscorea stellaris''
R.Knuth
* ''Dioscorea stemonoides''
Prain & Burkill
* ''Dioscorea stenocolpus''
Phil.
* ''Dioscorea stenomeriflora''
Prain & Burkill
* ''Dioscorea stenopetala''
Hauman
* ''Dioscorea stenophylla''
Uline
* ''Dioscorea sterilis''
O.Weber & Wilkin
* ''Dioscorea stipulosa''
Uline ex R.Knuth
* ''Dioscorea subcalva''
Prain & Burkill
* ''Dioscorea subhastata''
Vell.
* ''Dioscorea sublignosa''
R.Knuth
* ''Dioscorea submigra''
R.Knuth
* ''Dioscorea subtomentosa''
Miranda
* ''Dioscorea sumatrana''
Prain & Burkill
* ''Dioscorea sumiderensis''
B.G.Schub. & O.Téllez
* ''Dioscorea suratensis''
R.Knuth
* ''Dioscorea sylvatica''
Eckl.
* ''Dioscorea synandra''
Uline
* ''Dioscorea syringifolia''
(Kunth) Kunth & R.H.Schomb. ex R.Knuth
T
* ''Dioscorea tabatae''
Hatus. ex Yamashita & M.N.Tamura
* ''Dioscorea tacanensis''
Lundell
* ''Dioscorea tamarisciflora''
Prain & Burkill
* ''Dioscorea tamoidea''
Griseb.
* ''Dioscorea tamshiyacuensis''
Ayala
* ''Dioscorea tancitarensis''
Matuda
* ''Dioscorea tarijensis''
R.Knuth
* ''Dioscorea tarmensis''
R.Knuth
* ''Dioscorea tauriglossum''
R.Knuth
* ''Dioscorea tayacajensis''
R.Knuth
* ''Dioscorea temascaltepecensis''
R.Knuth
* ''Dioscorea tenebrosa''
C.V.Morton
* ''Dioscorea tenella''
Phil.
* ''Dioscorea tentaculigera''
Prain & Burkill
* ''Dioscorea tenuipes''
Franch. & Sav.
* ''Dioscorea tenuiphyllum''
R.Knuth
* ''Dioscorea tenuis''
R.Knuth
* ''Dioscorea tequendamensis''
R.Knuth
* ''Dioscorea ternata''
Griseb.
* ''Dioscorea therezopolensis''
Uline ex R.Knuth
* ''Dioscorea togoensis''
R.Knuth
* ''Dioscorea tokoro''
Makino ex Miyabe
* ''Dioscorea toldosensis''
R.Knuth
* ''Dioscorea tomentosa''
J.Koenig ex Spreng.
* ''Dioscorea torticaulis''
R.Knuth
* ''Dioscorea trachyandra''
Griseb.
* ''Dioscorea trachycarpa''
Kunth
* ''Dioscorea traillii''
R.Knuth
* ''Dioscorea transversa''
R.Br.
* ''Dioscorea triandria''
Sessé & Moc.
* ''Dioscorea trichantha''
Baker
* ''Dioscorea trichanthera''
Gleason
* ''Dioscorea trifida''
L.f.
* ''Dioscorea trifoliata''
Kunth
* ''Dioscorea trifurcata''
Hauman
* ''Dioscorea trilinguis''
Griseb.
* ''Dioscorea trimenii''
Prain & Burkill
* ''Dioscorea trinervia''
Roxb. ex Prain & Burkill
* ''Dioscorea trisecta''
Griseb.
* ''Dioscorea trollii''
R.Knuth
* ''Dioscorea truncata''
Miq.
* ''Dioscorea tsaratananensis''
H.Perrier
* ''Dioscorea tubiperianthia''
Matuda
* ''Dioscorea tubuliflora''
Uline ex R.Knuth
* ''Dioscorea tubulosa''
Griseb.
U
* ''Dioscorea uliginosa''
Phil.
* ''Dioscorea ulinei''
Greenm. ex R.Knuth
* ''Dioscorea undatiloba''
Baker
* ''Dioscorea urceolata''
Uline
* ''Dioscorea urophylla''
Hemsl.
* ''Dioscorea uruapanensis''
Matuda
V
* ''Dioscorea valdiviensis''
R.Knuth
* ''Dioscorea vanvuurenii''
Prain & Burkill
* ''Dioscorea variifolia''
Bertero
* ''Dioscorea velutipes''
Prain & Burkill
* ''Dioscorea vexans''
Prain & Burkill
* ''Dioscorea vilis''
Kunth
* ''Dioscorea villosa''
L.
* ''Dioscorea volckmannii''
Phil.
W
* ''Dioscorea wallichii''
Hook.f.
* ''Dioscorea warburgiana''
Uline ex Prain & Burkill
* ''Dioscorea warmingii''
R.Knuth
* ''Dioscorea wattii''
Prain & Burkill
* ''Dioscorea weberbaueri''
R.Knuth
* ''Dioscorea widgrenii''
R.Knuth
* ''Dioscorea wightii''
Hook.f.
* ''Dioscorea wittiana''
R.Knuth
* ''Dioscorea wrightii''
Uline ex R.Knuth
X
* ''Dioscorea xizangensis''
C.T.Ting
Y
* ''Dioscorea yunnanensis''
Prain & Burkill
Z
* ''Dioscorea zingiberensis''
C.H.Wright
The closely related genus ''Tamus'' is included in ''Dioscorea'' by some sources,
[, search for "Tamus"] but is maintained as distinct by others.
[, p. 854] For ''Dioscorea communis'' (L.) Caddick & Wilkin, see ''Tamus communis''.
See also
* Yam (vegetable), Yams
* Mexican barbasco trade
References
Bibliography
Flora Europaea: ''Dioscorea''Flora of Pakistan: ''Dioscorea''* Schols, P. 2004. Contributions to the palynology and phylogeny of Dioscorea (Dioscoreaceae). PhD thesis KU Leuven.
{{DEFAULTSORT:Dioscorea
Dioscorea,
Dioscoreales genera
Tubers
Dioecious plants