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Draba asprella
Also called Rough Whitlowgrass
Draba asprella is a species of flowering plant in the mustard family known as rough draba or rough whitlow-grass. It is a small herb with yellow flowers that grows in pine forests in Arizona. Most current treatments recognize two varieties: D. asprella var. asprella and D. asprella var. stelligera.
Draba asprella is endemic to Arizona, where it grows in Apache, Cochise, Coconino, Graham, and Pinal counties, where it grows in shaded sites in pine forests. Its elevational range is 1500- 2400 m. The two varieties are found in different soil types: D. asprella var. asprella grows in soil with igneous rocks, and D. asprella var. stelligera grows in limestone and sandstone outcrops.
Yellow whitlow-grass · Slender draba · Alpine draba · Draba aretioides · Lake Tahoe draba · Mt. Lassen draba · Draba bertiscea · Cushion draba · Snowbasin draba · Draba cacuminum · California draba · Mt. Eddy draba
Text excerpted from the Wikipedia article Draba asprella 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.
