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Descurainia incana
Also called Richardson's Tansy Mustard, Gray Tansy Mustard, Grey Tansy Mustard, Mountain Tansy Mustard, Richardson's Tansymustard
Descurainia incana is a species of flowering plant in the mustard family known by the common name mountain tansymustard. It is native to much of North America, including most of Canada, the western United States, and Baja California. It is known from many types of habitat. It is a biennial herb with a slender, greenish, often hairy stem sometimes exceeding a meter tall. The leaves are narrowly to widely oval in shape, the lower ones lobed and sometimes compound, the upper generally unlobed. The mustardlike inflorescence is a series of developing fruits beneath an elongating cluster of small bright yellow flowers. The fruit is a thin, pointed silique up to 2 centimeters long.
Descurainia bourgaeana · Sierra tansymustard · Paradise tansymustard · Western tansymustard · Herb sophia · Hugueninia tanacetifolia · Wyoming Tansy Mustard · Tansymustard
Text excerpted from the Wikipedia article Descurainia incana 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.
