光沙蒿 guang sha hao

Artemisia pubescens Ledebour var. oxycephala (Kitagawa) Kitagawa.

Subshrubs, 50-80 cm tall, with a thick rootstock. Lowermost leaves long petiolate; middle stem leaves ± sessile; leaf blade broadly ovate or suborbicular, 2-5 × 2-3 cm, puberulent or glabrescent, 2-pinnatisect; segments 2 or 3 pairs; lateral lobes 3-sect; lobules linear, 15-20 × 1.5-2 mm. Uppermost leaves and leaflike bracts 3-5-sect or entire. Synflorescence a lax, ± broad panicle. Involucre oblong, 1.5-2.5(-3.5) mm in diam. Marginal female florets 8-14. Disk florets 3-10, male. Achenes oblong. Fl. and fr. Aug-Oct.

● Steppes, dry hills, dunes, saline-alkaline soils, lakeshores, forest steppes; low elevations. N Hebei, W Heilongjiang, W Jilin, W Liaoning, Nei Mongol, N Shanxi.