藏东蒿 zang dong hao

Subshrubs, 25-50 cm tall, strongly aromatic, densely gray or yellowish viscid tomentose, sparsely glandular pubescent, later laxly viscid tomentose. Lowermost and middle stem leaves sessile; leaf blade elliptic or oblong, 3-4(-7) × 1-1.5(-2) cm, glandular pubescent on both surfaces, densely arachnoid tomentose abaxially, 2-pinnatisect; segments 4 or 5 pairs, elliptic-ovate; lobules 2 or 3 pairs, 3-4 × 1-1.5(-2) mm, margin revolute, acute apically. Uppermost leaves 1- or 2-pinnatisect; leaflike bracts pinnatisect or 3-5-partite. Capitula in narrow panicles, broadly ovoid or campanulate, (3-)4-5 mm in diam. Phyllaries densely yellowish tomentose, margin barbate. Marginal female florets 8-10. Disk florets 30-40(-50), bisexual. Achene oblong or obovoid-oblong. Fl. and fr. Aug-Oct.

Roadsides, slopes; 3000-5000 m. W Sichuan, E Xizang [Bhutan].