Cymopterus

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Cymopterus
File:Cymopterus newberryi 1.jpg
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.[1]
Species

See text.

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

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

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]

Species

File:Cymopterus acaulis (4008260594) (2).jpg
Cymopterus glomeratus
File:Cymopterus nivalis (4730490560).jpg
Cymopterus nivalis

As of December 2022, Plants of the World Online accepted the following species:[1]

Formerly included here

References

  1. 1.0 1.1 1.2 1.3 "Cymopterus Raf." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2022-12-26.
  2. Cymopterus. USDA PLANTS.
  3. 3.0 3.1 Cymopterus. The Jepson eFlora 2013.
  4. 4.0 4.1 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.

Further reading