''Cymopterus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of perennial plants in the family

Apiaceae Apiaceae or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus '' Apium'' and commonly known as the celery, carrot or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering plant ...

native to western North America. They are commonly known as the springparsleys.''Cymopterus''.
USDA PLANTS. They are mostly stemless,

taproot A taproot is a large, central, and dominant root from which other roots sprout laterally. Typically a taproot is somewhat straight and very thick, is tapering in shape, and grows directly downward. In some plants, such as the carrot, the taproo ...

ed perennial herbs with leaves at ground level and flowering

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 ...

bearing yellow, white, or purple flowers.''Cymopterus''.
The Jepson eFlora 2013.

Taxonomy

The taxonomy of this genus was described as confused in 2004, even after many decades of study.Sun, F. and S. R. Downie. (2004)
A molecular systematic investigation of Cymopterus and its allies (Apiaceae) based on phylogenetic analyses of nuclear (ITS) and plastid (''rps16'' intron) DNA sequences.
''South African Journal of Botany'' 70(3), 407-16. Authors have organized it in different ways, sometimes including several closely related Apiaceae genera within it. Genera recently segregated from ''Cymopterus'' include ''

Vesper Vesper means ''evening'' in Classical Latin. It may also refer to: Places * Vesper, Kansas, an unincorporated community in the United States * Vesper, Oregon, an unincorporated community in the United States * Vesper, Wisconsin, a village in the ...

'', six plants with morphological characters that are well-defined and easily separated from ''Cymopterus''; the group has been separated before, but was reintegrated during repeated reorganizations of the genus.Hartman, R. L. and G. L. Nesom. (2012)
Taxonomy of the genus ''Vesper'' (Apiaceae).
''Phytoneuron'' 94 1-9. The number of accepted species has varied between about 50 to about 35.Downie, S. R., et al. (2002)
Polyphyly of the spring-parsleys (''Cymopterus''): molecular and morphological evidence suggests complex relationships among the perennial endemic genera of western North American Apiaceae.
''Canadian Journal of Botany'' 80(12), 1295-1324.

Species

Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants ...

accepted the following species: *''

Cymopterus aboriginum ''Cymopterus aboriginum'' is a species of flowering plant in the carrot family Apiaceae or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus '' Apium'' and commonly known as the celery, carrot or parsley ...

'' M.E.Jones – Indian parsnip, Indian springparsley *''

Cymopterus alpinus ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' A.Gray *''

Cymopterus anisatus ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' A.Gray *''

Cymopterus basalticus ''Cymopterus basalticus'' is a species of flowering plant in the carrot family known by the common name Intermountain wavewing. It is native only to parts of Utah and White Pine County White Pine County is a largely rural, mountain county ...

'' M.E.Jones – basalt springparsley *''

Cymopterus beckii ''Cymopterus beckii'' is a rare species of flowering plant in the carrot family known by the common names featherleaf springparsley, Beck springparsley, and pinnate springparsley. It is native to Utah and Arizona Cymopterus cinerarius ''Cymopterus cinerarius'' is a species of flowering plant in the carrot family known by the common name gray springparsley. This small plant is native to the US states of California and Nevada, where it grows on the rocky talus of the Sierra Ne ...

'' A.Gray – gray springparsley *''

Cymopterus crawfordensis ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' K.Moon, S.L.Welsh & Goodrich *''

Cymopterus davidsonii ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' (J.M.Coult. & Rose) R.L.Hartm. *''

Cymopterus davisii ''Cymopterus davisii'' is a species of flowering plant in the carrot family known by the common name Davis's springparsley. This small, flat, taprooted perennial is endemic to Idaho in the United States, where it occurs in the Albion Mountains. Th ...

'' R.L.Hartm. – Davis' springparsley *''

Cymopterus deserticola ''Cymopterus deserticola'' is a species of flowering plant in the carrot family known by the common names desert cymopterus or desert springparsley. This rare species is endemic to California, where it grows in creosote bush scrub and Joshua tre ...

'' Brandegee – desert springparsley *''

Cymopterus douglassii ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' R.L.Hartm. & Constance – Douglass' springparsley *''

Cymopterus duchesnensis ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' M.E.Jones – Duchesne biscuitroot, Uinta Basin springparsley *''

Cymopterus evertii ''Cymopterus evertii'' is a species of flowering plant in the carrot family known by the common names Evert's springparsley and Evert's waferparsnip. It is native to Utah and Wyoming in the United States.Cymopterus gilmanii ''Cymopterus gilmanii'' is a species of flowering plant in the carrot family known by the common name Gilman's springparsley. This plant is native to the US states of California and Nevada, where it is an uncommon inhabitant of the scrublands o ...

'' C.V.Morton – Gilman's springparsley *''

Cymopterus glaucus ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' Nutt. – smooth springparsley, waxy springparsley *''

Cymopterus globosus ''Cymopterus globosus'' is a species of flowering plant in the carrot family known by the common name globe springparsley. This plant is native to the sandy flats extending between eastern California and Utah in the western United States. It is ...

'' (S.Watson) S.Watson – globe springparsley *''

Cymopterus glomeratus '' Cymopterus glomeratus '' (Fendler's spring-parsley, Fendler's cymopterus, plains springparsley), now including ''Cymopterus acaulis'', is a flowering plant. This plant is an aromatic plant of the family Apiaceae, a family of commonly known a ...

'' (Nutt.) DC. – plains springparsley *''

Cymopterus goodrichii ''Cymopterus goodrichii'' is a rare species of flowering plant in the carrot family known by the common name Toiyabe springparsley. It is endemic to Nevada in the United States, where it occurs in the Toiyabe and West Humboldt Ranges.

'' S.L.Welsh & Neese – Goodrich's springparsley, Toiyabe springparsley *''

Cymopterus hallii ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' (A.Gray) B.L.Turner *''

Cymopterus humilis ''Cymopterus humilis'', synonym ''Oreoxis humilis'', is a rare species of flowering plant in the carrot family known by the common name Rocky Mountain alpineparsley. It is endemic to Colorado in the United States, where it is known only from t ...

'' (Raf.) Tidestr. *''

Cymopterus jonesii ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' J.M.Coult. & Rose – Jones' springparsley *''

Cymopterus longipes ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' S.Watson – longstalk springparsley, sprawling springparsley *''

Cymopterus megacephalus ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' M.E.Jones – largeleaf springparsley *''

Cymopterus minimus ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' (Mathias) Mathias – Cedar Breaks springparsley *''

Cymopterus newberryi ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' (S.Watson) M.E.Jones – sweetroot springparsley, sticky springparsley *''

Cymopterus nivalis ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' S.Watson – snowline springparsley, Elko springparsley *''

Cymopterus panamintensis ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' J.M.Coult. & Rose – Panamint springparsley *''

Cymopterus petraeus ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' M.E.Jones *''

Cymopterus purpureus ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' S.Watson – purple springparsley, Colorado Plateau springparsley, variable springparsley *''

Cymopterus ripleyi ''Cymopterus ripleyi'' is a species of flowering plant in the carrot family known by the common name Ripley's springparsley, or Ripley's cymopterus. It is native to Nevada, Arizona and eastern California, where it grows in habitat with sandy soi ...

'' Barneby – Ripley's springparsley *''

Cymopterus rosei ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' (M.E.Jones ex Coult. & Rose) M.E.Jones – Rose's springparsley *''

Cymopterus sessiliflorus ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' (W.L.Theob. & C.C.Tseng) R.L.Hartm. *''

Cymopterus spellenbergii ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' R.L.Hartm. & J.E.Larson *''

Cymopterus terebinthinus ''Cymopterus terebinthinus'' is a perennial plant in the carrot family Apiaceae with leaves that look like parsley and grows in the Great Basin of the American West. Common names include Aromatic spring-parsley, northern Indian parsnip, and turp ...

'' (Hook.) Torr. & A.Gray – turpentine wavewing *''

Cymopterus williamsii ''Cymopterus'' is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the springparsleys.

'' R.L.Hartm. & Constance – Williams' springparsley

Formerly included here

*'' Vesper multinervatus'' (as ''Cymopterus multinervatus'') *'' Vesper purpurascens'' (as ''Cymopterus purpurascens'')

Taxonomy

Species

Formerly included here

References

Further reading