准噶尔沙蒿 zhun ga er sha hao

Oligosporus songaricus (Schrenk ex Fischer & C. A. Meyer) Poljakov.

Shrubs, 30-80 cm tall, with a thick rootstock, branches many, nearly horizontal, puberulent or glabrescent. Lower and middle stem leaves sessile; leaf blade ovate-oblong, 2-4 × ca. 2 cm, 1- or 2-pinnatisect; segments 2 or 3 pairs, lateral and basal lobes usually 3-sect; lobules linear, 5-10(-12) × 1.5-2 mm, apex mucronulate. Uppermost leaves and leaflike bracts linear. Synflorescence a lax, broad panicle. Capitula sessile or shortly pedunculate, nodding. Involucre ovoid, 1.5-2 mm in diam. Marginal female florets 4 or 5. Disk florets 6-10, male. Achenes ovoid. Fl. and fr. Jun-Oct. 2n = 18.

Dunes of desert areas, rocky slopes; low to middle elevations. N Xinjiang [Kazakhstan].