平卧鼠麴草 ping wo shu qu cao

Homalotheca supina (Linnaeus) Fourreau; Omalotheca supina (Linnaeus) Candolle.

Herbs, perennial. Stems 2-8(-12) cm tall. Leaves mostly basal, in persistent rosettes, both surfaces concolorous, gray-green, linear to linear-oblanceolate, 5-25 × ca. 3 mm, cauline similar, thinly lanate, 1-veined. Capitula usually 1-7, in subcapitate to loose, spiciform arrangement. Involucre campanulate, 5-6 mm; phyllaries light green to tan, oblong to lanceolate, outer obtuse, inner mostly acute, margins and tips dark brown. Achenes obovoid, strigose. Pappus bristles distinct, falling separately. Fl. Jun-Sep. 2n = 28.

Meadows; 200-1300 m. Xinjiang [Kazakhstan, Russia; SW Asia (Caucasus, Iran), Europe, North America (Greenland)].