草原绢蒿 cao yuan juan hao

Artemisia schrenkiana Ledebour, Fl. Ross. 2: 575. 1845.

Herbs, perennial, with a strong stock, 30-50(-60) cm tall, densely gray and arachnoid tomentose. Lowermost leaves: petiole 2-4 cm; leaf blade broadly ovate or ovate-oblong, 3-6 × 1.5-2.5 cm, arachnoid tomentose, 2- or 3-pinnatisect; segments 4 or 5(or 6) pairs; lobules 2-6 × 1-1.5 mm, obtuse apically. Middle stem leaves 2-pinnatisect. Uppermost leaves and leaflike bracts pinnatisect. Synflorescence a broad or somewhat broad panicle. Involucre oblong or ellipsoid-oblong, 1.5-2(-2.5) mm in diam.; phyllaries densely gray tomentose. Florets 5 or 6. Achenes ovoid or obovoid. Fl. and fr. Aug-Oct.

Desert steppes, steppes, meadow steppes, waste areas, riverbanks, lakeshores, terraces, canyons, saline-alkaline soils, dunes; 100-1000 m. E Xinjiang [Kazakhstan, Mongolia, Russia].