''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus ''
Hieracium'' with a similar common name), is a
genus of
annual and
perennial flowering plants of the
family Asteraceae superficially resembling the
dandelion, the most conspicuous difference being that ''Crepis'' usually has branching
scapes
Parsons School of Design, known colloquially as Parsons, is a private art and design college located in the Greenwich Village neighborhood of New York City. Founded in 1896 after a group of progressive artists broke away from established Manhatta ...
with multiple
heads
A head is the part of an organism which usually includes the ears, brain, forehead, cheeks, chin, eyes, nose, and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste. Some very simple animals may no ...
(though solitary heads can occur). The genus name ''Crepis'' derives from the
Greek ''krepis'', meaning "
slipper" or "
sandal", possibly in reference to the shape of the fruit.
[''Crepis''.]
Flora of North America.
The genus is distributed throughout the
Northern Hemisphere
The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's Nort ...
and
Africa,
and several plants are known as
introduced species practically worldwide.
[ The ]center of diversity
A center of origin is a geographical area where a group of organisms, either domesticated or wild, first developed its distinctive properties. They are also considered centers of diversity. Centers of origin were first identified in 1924 by Ni ...
is in the Mediterranean.[
]
Ecology
''Crepis'' species are used as food plants by the larvae of some Lepidoptera
Lepidoptera ( ) is an order (biology), order of insects that includes butterfly, butterflies and moths (both are called lepidopterans). About 180,000 species of the Lepidoptera are described, in 126 Family (biology), families and 46 Taxonomic r ...
species including the broad-barred white
The broad-barred white (''Hecatera bicolorata'') is a moth of the family Noctuidae. The species was first described by Johann Siegfried Hufnagel in 1766. It is distributed throughout Europe and is also found in Turkey, Iran, Israel, Lebanon, Syri ...
moth. The fly
Flies are insects of the Order (biology), order Diptera, the name being derived from the Ancient Greek, Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwing ...
''Tephritis formosa
''Tephritis formosa'' is a species of tephritid fly. It is one of many species known commonly as gall fly.
Distribution
This species is found in most countries across Europe (Albania, Andorra, Austria, Balearic Islands, Belgium, United Kingdom, ...
'' is known to attack the capitula of this plant.
Seeds of ''Crepis'' species are an important food source for some bird species.
Uses
In Crete, Greece the leaves of ''Crepis commutata
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus ''Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family Aster ...
'' which are called (γλυκοσυρίδα) are eaten raw, boiled, steamed or browned in salads. Another two species on the same island, ''Crepis vesicaria
''Crepis vesicaria'' is a European species of flowering plant in the family Asteraceae with the common name beaked hawk's-beard. '', called (κοκκινογούλα), (λεκανίδα) or (πρικούσα) and a local variety called (μαργιές) or (πικρούσες) have both its leaves and tender shoots eaten boiled by the locals.
Secondary metabolites
The genus ''Crepis'' is a rich source of costus lactone-type guaianolide
In organic chemistry, a guaianolide is a type of sesquiterpene lactone consisting of a gamma-lactone and either a cyclopentane or cyclopentene, both fused to a central cycloheptane or cycloheptene structure. There are two subclasses, structural i ...
s, a class of sesquiterpene lactone
Sesquiterpene lactones (SLs) are a class of sesquiterpenoids that contain a lactone ring. They are most often found in plants of the family Asteraceae (daisies, asters). Other plant families with SLs are Umbelliferae (celery, parsley, carrots) an ...
s.
Phenolics found in ''Crepis'' include luteolin-type flavonoid
Flavonoids (or bioflavonoids; from the Latin word ''flavus'', meaning yellow, their color in nature) are a class of polyphenolic secondary metabolites found in plants, and thus commonly consumed in the diets of humans.
Chemically, flavonoids ...
s and caffeoyl
Caffeic acid is an organic compound that is classified as a hydroxycinnamic acid. This yellow solid consists of both phenolic and acrylic functional groups. It is found in all plants because it is an intermediate in the biosynthesis of lignin, on ...
quinic acid
Quinic acid is a cyclitol, a cyclic polyol, and a cyclohexanecarboxylic acid. It is a colorless solid that can be extracted from plant sources. Quinic acid is implicated in the perceived acidity of coffee.
Occurrence and preparation
The compound ...
derivatives such as chlorogenic acid and 3,5-dicaffeoylquinic acid
Cynarine is a hydroxycinnamic acid derivative (chemistry), derivative and a biologically active chemical constituent of artichoke (''Cynara cardunculus'').
Chemically, it is an ester formed from quinic acid and two units of caffeic acid.
See a ...
. Moreover, ''Crepis'' species contain the caffeoyl
Caffeic acid is an organic compound that is classified as a hydroxycinnamic acid. This yellow solid consists of both phenolic and acrylic functional groups. It is found in all plants because it is an intermediate in the biosynthesis of lignin, on ...
tartaric acid derivatives caffeoyl
Caffeic acid is an organic compound that is classified as a hydroxycinnamic acid. This yellow solid consists of both phenolic and acrylic functional groups. It is found in all plants because it is an intermediate in the biosynthesis of lignin, on ...
tartaric acid and cichoric acid
Chicoric acid (also known as cichoric acid) is a hydroxycinnamic acid, an organic compound of the phenylpropanoid class and occurs in a variety of plant species. It is a derivative of both caffeic acid and tartaric acid.
As a suitable marker for ...
.
Diversity
There are about 200 species in the genus.[
]
Species include:
*''Crepis acuminata
''Crepis acuminata'' is a North American species of flowering plant in the family Asteraceae known by the common name tapertip hawksbeard. It is native to the western United States where it grows in many types of open habitat.
Description
''Crep ...
'' – tapertip hawksbeard, longleaf hawk's-beard
*'' Crepis alpestris''
*''Crepis alpina
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus '' Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family Ast ...
''
*'' Crepis aspera''
*''Crepis atribarba
''Crepis atribarba'' is a North American species of flowering plant in the family Asteraceae known by the common names slender hawksbeard and dark hawksbeard. It is native to western Canada and the western United States It has been found in ...
'' – dark hawk's-beard, slender hawk's-beard
*''Crepis aurea
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus '' Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family Ast ...
'' – golden hawk's-beard
*''Crepis bakeri
''Crepis bakeri'' is a species of flowering plant in the family Asteraceae known by the common name Baker's hawksbeard. It is native to the western United States where it grows in many types of mountain and plateau habitat. It is found in Oregon, ...
'' – Baker's hawksbeard
*''Crepis barbigera
''Crepis barbigera'' is a North American species of flowering plant in the family Asteraceae. It is native to the northwestern United States. It has been found in Washington, Oregon, and Idaho.
''Crepis barbigera'' is a perennial herb up to 80& ...
'' – bearded hawk's-beard
*''Crepis biennis
''Crepis biennis'' is a European species of flowering plant in the family Asteraceae with the common name rough hawksbeard. It is native to Europe and Asia Minor, as well as being sparingly naturalized in scattered locations in the northeastern U ...
'' – rough hawksbeard
*''Crepis bungei
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus '' Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family ...
''
*'' Crepis bursifolia'' – Italian hawksbit
*''Crepis capillaris
''Crepis capillaris'', the smooth hawksbeard, is a species of flowering plant in the tribe Cichorieae within the family Asteraceae, and is native to Europe. It has become naturalized in other lands and is regarded as a weed in some places.
''Cre ...
'' – smooth hawksbeard, green crepis
*'' Crepis conyzifolia''
*'' Crepis dioscoridis''
*''Crepis foetida
''Crepis foetida '' is a European species of flowering plant in the family Asteraceae with the common name stinking hawksbeard. It is widespread across much of Europe and Siberia, as well as being sparingly naturalized in scattered locations in t ...
'' – stinking hawksbeard, roadside hawk's-beard
*''Crepis incana
''Crepis incana'', the pink dandelion, is a species of flowering plant in the genus '' Crepis'' of the family Asteraceae, native to southern Greece. It is a rosette-forming herbaceous perennial growing to tall and wide. Superficially similar to ...
'' – pink dandelion
*''Crepis intermedia
''Crepis intermedia'' is a North American species of flowering plant in the family Asteraceae known by the common name limestone hawksbeard. It is native to the Pacific Northwest, Columbia Plateau, Great Plains and Southwestern regions of west ...
'' – limestone hawksbeard, small-flower hawk's-beard
*''Crepis kotschyana
''Crepis foetida '' is a European species of flowering plant in the family Asteraceae with the common name stinking hawksbeard. It is widespread across much of Europe and Siberia, as well as being sparingly naturalized in scattered locations in t ...
''
*''Crepis micrantha
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus '' Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family Ast ...
''
*''Crepis modocensis
''Crepis modocensis'' is a species of flowering plant in the family Asteraceae known by the common name Modoc hawksbeard.
It is native to western North America (British Columbia, Washington, Oregon, California, Nevada, Utah, Idaho, Montana, Wyom ...
'' – Modoc hawksbeard, Siskiyou hawksbeard
*'' Crepis mollis'' – northern hawksbeard
*''Crepis monticola
''Crepis monticola'' is a North American species of flowering plant in the family Asteraceae known by the common name mountain hawksbeard.
Distribution
This aster-like flower is native to northern California and southern Oregon, in the Klamath M ...
'' – mountain hawksbeard
*'' Crepis nicaeensis'' – French hawksbeard, Turkish hawksbeard
*'' Crepis occidentalis'' – largeflower hawksbeard, gray hawk's-beard, western hawk's-beard
*''Crepis palaestina
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus ''Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family Aster ...
''
*''Crepis paludosa
''Crepis paludosa'', the marsh hawk's-beard, is a European species of flowering plant in the tribe Cichorieae of the family Asteraceae. It is widespread across much of Europe with isolated populations in Iceland, the Ural Mountains, and the Cauca ...
'' – marsh hawksbeard
*''Crepis pannonica
''Crepis pannonica'', the pasture hawksbeard, is a European species of flowering plant in the family Asteraceae. It is native to eastern Europe (Austria, Czech Republic, Hungary, Romania, Ukraine, Russia, etc.) and the Caucasus, as well as being ...
'' – pasture hawksbeard
*'' Crepis phoenix''
*''Crepis pleurocarpa
''Crepis pleurocarpa'' is a North American species of flowering plant in the family Asteraceae known by the common name nakedstem hawksbeard. It is native to the western United States (Washington, Oregon, northern California and western Nevada.
...
'' – nakedstem hawksbeard, naked hawk's-beard
*''Crepis pontana
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus ''Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family Aster ...
''
*''Crepis praemorsa
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus '' Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family ...
'' – leafless hawksbeard
*''Crepis pulchra
''Crepis pulchra'' is a European species of flowering plant in the family Asteraceae with the common name smallflower hawksbeard. It is widespread across much of Europe as well as in Morocco, Algeria, and western and central Asia. It has al ...
'' – small-flower hawk's-beard
*''Crepis pygmaea
''Crepis pygmaea'' (commonly pygmy hawksbeard) is a species of flowering plant in the genus ''Crepis'' in the family Asteraceae.
Description Vegetative features
The pygmy hawksbeard grows as a perennial herbaceous plant and reaches a height of . ...
'' – pygmy hawksbeard
*''Crepis pyrenaica
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus '' Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family ...
''
*''Crepis rubra
''Crepis rubra'' is a European species of flowering plant in the family Asteraceae with the common name red hawksbeard or pink hawk's-beard. It is native to the eastern Mediterranean region (Italy, Greece, Albania, North Macedonia, Croatia, Monte ...
'' – red hawksbeard, pink hawk's-beard
*''Crepis runcinata
''Crepis runcinata'' is a North American species of flowering plant in the family Asteraceae known by the common name fiddleleaf hawksbeard. It is native to western and central Canada (from British Columbia to Manitoba), the western and centr ...
'' – fiddleleaf hawksbeard
*''Crepis sancta
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus '' Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family Ast ...
'' – holy hawksbeard
*''Crepis setosa
''Crepis setosa'', the bristly hawksbeard, is a European species of flowering plant in the family Asteraceae
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera wit ...
'' – bristly hawksbeard
*''Crepis sibirica
''Crepis sibirica'' is an Asian and eastern European species of plants in the tribe Cichorieae within the family Asteraceae. It has been found in China (Heilongjiang, Liaoning, Inner Mongolia, Xinjiang), Mongolia, Russia, Central Asia, and easte ...
''
*''Crepis sodiroi
''Crepis sodiroi'' is a species of flowering plant in the family Asteraceae. It is found only in Ecuador. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss
Habitat destruction (also terme ...
''
*'' Crepis tectorum'' – narrow-leaved hawksbeard
*''Crepis thompsonii
''Crepis'', commonly known in some parts of the world as hawksbeard or hawk's-beard (but not to be confused with the related genus '' Hieracium'' with a similar common name), is a genus of annual and perennial flowering plants of the family Ast ...
''
*''Crepis vesicaria
''Crepis vesicaria'' is a European species of flowering plant in the family Asteraceae with the common name beaked hawk's-beard. '' – beaked hawksbeard, dandelion hawk's-beard, weedy hawk's-beard
*''Crepis zacintha
''Crepis zacintha'', the striped hawksbeard, is a plant species native to southern Europe (Greece, Italy, Albania, Bulgaria, etc.) but now naturalized on roadsides and other disturbed sites in Texas, Israel, Cyprus, and the United Kingdom.
''Cr ...
'' – striped hawksbeard
References
External links
USDA Plants Profile of ''Crepis'' species in North America
GRIN Species Report on ''Crepis''
Flora of China: ''Crepis''
{{Taxonbar, from=Q727610
Asteraceae genera
Taxa named by Carl Linnaeus