Contains 2 accepted taxa overall.
Characteristics
Classification
Citation
THASPIUM Nuttall, Gen. N. Amer. Pl. 1: 196. 1818.
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TYPE: Thaspium atropurpureum (Lamarck) Nuttall (Smyrnium atropurpureum Lamarck) Lectotypified by PFeiffer, Nomencl. Bot. 2(2): 1388. 1874.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Thaspium barbinode | HAIRYJOINT MEADOWPARSNIP | Native UPL (NWPL) | ||
| Thaspium trifoliatum | PURPLE MEADOWPARSNIP | Native |
Identification Key
1. Cauline leaves 2- to 3-pinnately or ternately compound, blade margin coarsely toothed
1. Cauline leaves 3-foliolate, blade margin evenly and finely toothed
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Upopion | Upopion Rafinesque, New Fl. 4: 29. 1838 ("1836"). | TYPE: Non designatus. |