聚头绢蒿 ju tou juan hao

Artemisia compacta Fischer ex Candolle, Prodr. 6: 102. 1838; A. lercheana Weber ex Stechmann var. gmeliniana (Besser) Candolle, p.p.; A. maritima Linnaeus var. compacta (Fischer ex Candolle) Ledebour; A. maritima var. fischeriana Besser; A. maritima f. gmeliniana (Besser) Ledebour, p.p.; A. maritima subsp. gmeliniana (Besser) Krascheninnikov, p.p.; A. maritima var. gmeliniana Besser, p.p.

Herbs, perennial or subshrubs, 15-40 cm tall, with a rootstock, gray arachnoid tomentose, later glabrescent. Lower stem leaves: petiole 5-10 mm; leaf blade ovate, 1.5-3.5(-4) × 1-2(-3) cm, arachnoid pubescent, later glabrescent, 2- or 3-pinnatisect; segments (3 or)4 or 5(or 6) pairs; lobules linear, 2-3(-4) × 0.5-1 mm, obtuse apically. Middle stem leaves 1- or 2-pinnatisect. Upper leaves pinnatisect or 3-5-lobed; leaflike bracts linear. Synflorescence a narrow racemelike panicle; branches short and dense. Capitula sessile. Involucre ovoid or ovoid-oblong, 2-3 mm in diam.; phyllaries pubescent. Florets 3-5; corolla limb red. Achenes obovoid. Fl. and fr. Aug-Oct.

Rocky slopes, semideserts, from low elevations to subalpine areas. W Gansu, W Nei Mongol, Ningxia, NE Qinghai, Xinjiang [Kazakhstan, Mongolia, Russia].