云南蒿 yun nan hao

Artemisia igniaria Maximowicz var. yunnanensis (Jeffrey ex Diels) Pampanini; A. jeffreyana H. Léveillé, nom. illeg. superfl.

Subshrubs, 50-90 cm tall, gray sericeous-pubescent, later sparsely pubescent, much branched. Lower stem leaves: petiole 3-5 cm, base tomentose; lowermost leaves ovate, 2-pinnatisect or pinnatipartite; segments 2 or 3 pairs, oblong or ovate-elliptic, pinnatipartite; lobules 2-paired, oblong, apex obtuse. Middle stem leaves: petiole 1-4 cm; leaf blade ovate or obovate-attenuate, 5-7 × 3-6 cm, abaxially densely gray arachnoid tomentose, adaxially white gland-dotted and incanous pubescent, 1- or 2-pinnatisect or partite; segments 2 or 3 pairs, ovate-elliptic or oblong, 2-4 × 1.5-3.5 cm, apex obtuse and mucronulate. Uppermost leaves and leaflike bracts 3-5-partite or entire; lobes or entire bracts oblong or ovate-oblong. Synflorescence a broad panicle. Capitula solitary or in groups of 2 or 3. Involucre oblong or ovoid-ellipsoid, 2-2.5(-3) mm in diam.; phyllaries brown at center, arachnoid pubescent. Marginal female florets 7-13. Disk florets 8-15, bisexual. Achenes ovoid or obovoid. Fl. and fr. Aug-Oct.

● Dry and hot canyons, shrublands and coniferous forest margins; low elevations to 3700 m. S Qinghai, W Sichuan, Xizang, NW Yunnan.