Thaspium

Thaspium is a genus of flowering plants in the Apiaceae (parsley or carrot family). A common name for the various Thaspium species is meadowparsnip[2] or meadow-parsip.

Thaspium
Thaspium barbinode
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Apiales
Family:
Apiaceae
Genus:
Thaspium

Species

Species

There are five accepted Thaspium species and one accepted variety:[1]

  • Thaspium barbinode (Michx.) Nutt. – hairyjoint meadowparsnip[3]
  • Thaspium chapmanii (J.M. Coult. & Rose) Small – hairy meadow-parsnip[4]
Basionym: Thaspium barbinode var. chapmanii J.M. Coult. & Rose[5]
  • Thaspium pinnatifidum (Buckley) A. Gray – cutleaf meadowparsnip[6]
Basionym: Zizia pinnatifida Buckley
  • Thaspium trifoliatum (L.) A. Gray – purple meadowparsnip[7]
Variety: Thaspium trifoliatum var. aureum (Nutt.) Britton

Species and varieties that were at one time, but not currently accepted as Thaspium include:

  • Thaspium trifoliatum var. apterum A. Gray — heart-leaved golden alexanders[8]
Synonym of: Zizia aptera (A. Gray) Fernald
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References
  1. Thaspium The Plant List (2010). Version 1. Published on the Internet; http://www.theplantlist.org/ (retrieved 20 Nov. 2011).
  2. "Thaspium". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 9 December 2015.
  3. Thaspium barbinode USDA Plants Database 21 Nov. 2011
  4. Thaspium chapmanii Robert W. Freckmann Herbarium 21 Nov. 2011
  5. Thaspium chapmanii The Plant List 21 Nov. 2011
  6. Thaspium pinnatifidum USDA Plants Database 21 Nov. 2011
  7. Thaspium trifoliatum USDA Plants Database 21 Nov. 2011
  8. Zizia aptera Robert W. Freckmann Herbarium


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