Thaspium

Thaspium
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Apiales
Family:	Apiaceae
Genus:	Thaspium Nutt.
Species
Thaspium barbinode Thaspium chapmanii Thaspium cordatum Thaspium pinnatifidum Thaspium trifoliatum ^[1]

Thaspium Nutt. is a genus of flowering plants in the Apiaceae (parsley or carrot family). A common name for the various Thaspium species is meadow-parsinp or meadowparsip.

Species

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

Thaspium barbinode (Michx.) Nutt. – hairyjoint meadowparsnip^[2]
Thaspium chapmanii (J.M. Coult. & Rose) Small – hairy meadow-parsnip^[3]

Basionym: Thaspium barbinode var. chapmanii J.M. Coult. & Rose^[4]

Thaspium cordatum (Walter) Torr. & A. Gray

Basionym: Smyrnium cordatum Walter^[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

References

^ ^a ^b Thaspium The Plant List (2010). Version 1. Published on the Internet; http://www.theplantlist.org/ (retrieved 20 Nov. 2011).
^ Thaspium barbinode USDA Plants Databse 21 Nov. 2011
^ Thaspium chapmanii Robert W. Freckmann Herbarium 21 Nov. 2011
^ Thaspium chapmanii The Plant List 21 Nov. 2011
^ Thaspium cordatum Tropicos.org. Missouri Botanical Garden. 21 Nov 2011
^ Thaspium pinnatifidum USDA Plants Databse 21 Nov. 2011
^ Thaspium trifoliatum USDA Plants Databse 21 Nov. 2011
^ Zizia aptera Robert W. Freckmann Herbarium