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Cymopterus

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Cymopterus
Cymopterus newberryi
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Apiales
Family: Apiaceae
Subfamily: Apioideae
Tribe: Selineae
Genus: Cymopterus
Raf.
Species

See text.

Synonyms[1]
  • Aulospermum J.M.Coult. & Rose
  • Coloptera J.M.Coult. & Rose
  • Coriophyllus Rydb.
  • Epallageiton Koso-Pol.
  • Leptocnemia Nutt.
  • Pseudocymopterus J.M.Coult. & Rose
  • Pseudopteryxia Rydb.
  • Pseudoreoxis Rydb.
  • Pteryxia Nutt.
  • Rhysopterus J.M.Coult. & Rose
  • Ryssosciadium Kuntze

Cymopterus is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the spring parsleys[2] and are edible. They are mostly stemless, taprooted perennial herbs with leaves at ground level and flowering scapes bearing yellow, white, or purple flowers.[3]

Taxonomy

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The taxonomy of this genus was described as confused in 2004, even after many decades of study.[4] Authors have organized it in different ways, sometimes including several closely related Apiaceae genera within it.[4] Genera recently segregated from Cymopterus include Vesper, 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.[5] The number of accepted species has varied between about 50[3] to about 35.[6][1]

The genus was named by Constantine Samuel Rafinesque in 1819.[1]

Species

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Cymopterus glomeratus
Cymopterus nivalis

Plants of the World Online lists 42 accepted species:[1]

Formerly included here

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References

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  1. ^ a b c d "Cymopterus Raf". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 11 October 2025.
  2. ^ Cymopterus. USDA PLANTS.
  3. ^ a b Cymopterus. The Jepson eFlora 2013.
  4. ^ a b 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.
  5. ^ Hartman, R. L. and G. L. Nesom. (2012). Taxonomy of the genus Vesper (Apiaceae). Phytoneuron 94 1-9.
  6. ^ 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.
  7. ^ "Cymopterus bakeri (J.M.Coult. & Rose) M.E.Jones". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 October 2025.
  8. ^ "Cymopterus humilis (Raf.) Tidestr". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 11 October 2025.
  9. ^ "Cymopterus multinervatus (J.M.Coult. & Rose) Tidestr". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 October 2025.
  10. ^ "Cymopterus purpurascens (A.Gray) M.E.Jones". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 October 2025.

Further reading

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