''Beesia'' is a genus of

flowering plants Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of broa ...

in the

buttercup family Ranunculaceae (buttercup or crowfoot family; Latin "little frog", from "frog") is a family of over 2,000 known species of flowering plants in 43 genera, distributed worldwide. The largest genera are ''Ranunculus'' (600 species), ''Delphinium' ...

. It was named in 1915 after the plant nursery firm Bees of Chester, who financed the plant hunting trips of

George Forrest George Forrest may refer to: *G. Topham Forrest (George Topham Forrest, 1872–1945), principal architect for the London County Council *George Forrest (author) (1915–1999), American author and musician *George Forrest (botanist) (1873–1932), S ...

and

Frank Kingdon-Ward Francis Kingdon-Ward, born Francis Kingdon Ward OBE, (6 November 1885 in Manchester – 8 April 1958) was an English botanist, explorer, plant collector and author. He published most of his books as Frank Kingdon-Ward and this hyphenated form ...

in China.

Species

There are two

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

of ''Beesia'': *''Beesia calthifolia'', which is

native Native may refer to: People * Jus soli, citizenship by right of birth * Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory ** Native Americans (disambiguation) In arts and enterta ...

to the following

WGSRPD The World Geographical Scheme for Recording Plant Distributions (WGSRPD) is a biogeographical system developed by the international Biodiversity Information Standards (TDWG) organization, formerly the International Working Group on Taxonomic Dat ...

floristic regions: North-Central China, South-Central China, Southeast China, East Himalaya, and

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...

. *''Beesia deltophylla'', which is native to southeastern

Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...

Description

Morphology

Beesia is an

evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...

perennial and grows as a dense basal rosette of heart-shaped leaves with delicate serrated edges. Leaves are soft and waxy; new growth of ''B. deltophylla'' flushes dark green to black, while ''B. calthifolia'' is a lighter shade of green. Small white

flowers A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...

bloom mid-summer off an upright spike. Flowers are star-like: although ''Beesia'' flowers do not have

petals Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''corolla''. Petals are usuall ...

, they do have 5

elliptic In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. It generalizes a circle, which is the special type of ellipse in ...

, petal-like

sepals A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...

. Flowers also have many

stamens The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filam ...

Phytochemistry

A class of

organic molecules In chemistry, organic compounds are generally any chemical compounds that contain carbon-hydrogen or carbon-carbon bonds. Due to carbon's ability to catenate (form chains with other carbon atoms), millions of organic compounds are known. The ...

termed ''beesiosides'' have been isolated from ''Beesia'' plants. Beesiosides are cycloartane

glycosides In chemistry, a glycoside is a molecule in which a sugar is bound to another functional group via a glycosidic bond. Glycosides play numerous important roles in living organisms. Many plants store chemicals in the form of inactive glycosides ...

(a type of

triterpene Triterpenes are a class of chemical compounds composed of three terpene units with the molecular formula C30H48; they may also be thought of as consisting of six isoprene units. Animals, plants and fungi all produce triterpenes, including squal ...

that forms a sugar and a non-sugar upon

hydrolysis Hydrolysis (; ) is any chemical reaction in which a molecule of water breaks one or more chemical bonds. The term is used broadly for substitution, elimination, and solvation reactions in which water is the nucleophile. Biological hydrolysis ...

Phylogeny

Anemonopsis ''Anemonopsis'', the false anemone, is a monotypic genus in the family Ranunculaceae, containing only the species ''Anemonopsis macrophylla'', endemic to Japan's main island of Honshu. The generic name ''Anemonopsis'' refers to it being ''Ane ...

'', a monotypic genus in the Ranunculaceae native to Japan, is a

sister group In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative(s) of another given unit in an evolutionary tree. Definition The expression is most easily illustrated by a cladogram: Taxon A and ...

to ''Beesia.'' ''

Eranthis ''Eranthis'' is a genus of eight species of flowering plants in the buttercup family Ranunculaceae, native to southern Europe and east across Asia to Japan. The common name winter aconite comes from the early flowering time and the resemblance of ...

'' and '' Actaea'' are also closely related to ''Beesia''.

Uses

Ornamental

''Beesia'' is easily divided or grown from seed, and can be grown in USDA hardiness zones 6a to 8b. It grows best in partial shade or filtered light in rich, moist

soil Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life. Some scientific definitions distinguish ''dirt'' from ''soil'' by restricting the former ...

Medicinal

''Beesia''

rhizomes In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

are used in

Chinese herbal medicine Chinese herbology () is the theory of traditional Chinese herbal therapy, which accounts for the majority of treatments in traditional Chinese medicine (TCM). A ''Nature'' editorial described TCM as "fraught with pseudoscience", and said that t ...

as a treatment for

rheumatoid arthritis Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects synovial joint, joints. It typically results in warm, swollen, and painful joints. Pain and stiffness often worsen following rest. Most commonly, the wrist and ...

and

influenza Influenza, commonly known as "the flu", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptom ...

References

External links

GRIN Genus Profile
Ranunculaceae Ranunculaceae genera Taxa named by William Wright Smith Taxa named by Isaac Bayley Balfour {{ranunculales-stub