博洛塔绢蒿 bo luo ta juan hao

Artemisia borotalensis Poljakov, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 16: 425. 1954.

Herbs, perennial, 12-20 cm tall, with a thick rootstock, gray arachnoid tomentose. Lower stem leaves: petiole 5-8 mm; leaf blade elliptic, 1-2(-3) × 0.8-1.5(-2) cm, densely gray tomentose, 2-pinnatisect; segments (3 or)4 or 5 pairs; lobules linear, 1.5-3 × 0.5-1 mm, obtuse apically. Middle stem leaves pinnatisect. Upper leaves and leaflike bracts narrowly linear, entire. Synflorescence a narrow spikelike panicle. Involucre oblong-ovoid, 1.5-2 mm in diam.; phyllaries densely arachnoid pubescent, gland-dotted. Florets 5-7. Achenes obovoid or obovoid-ellipsoid. Fl. and fr. Aug-Oct.

● Gobi Desert, desert and semidesert steppes, rocky slopes, terraces; 1000-1500 m. N Xinjiang.