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Descurainia torulosa
Also called Wind River Tansymustard
Descurainia torulosa is a species of flowering plant in the family Brassicaceae known by the common names Wyoming tansymustard and Wind River tansymustard. It is endemic to Wyoming in the United States, where it is found in the Absaroka Range and some buttes in the Great Divide Basin.
This perennial or sometimes annual herb has hairy stems up to 15 centimeters long. The leaves are pinnate, divided into several lobes. The inflorescence is a raceme of flowers with yellowish sepals and four yellow petals. The fruit is a narrow silique which is torulose, or constricted between the seeds. Blooming occurs in June and July.
Descurainia bourgaeana · Sierra tansymustard · Mountain tansymustard · Paradise tansymustard · Western tansymustard · Herb sophia · Hugueninia tanacetifolia · Tansymustard
Text excerpted from the Wikipedia article Descurainia torulosa by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
