短冠亚菊 duan guan ya ju

Chrysanthemum brachyanthum (C. Shih) H. Ohashi & Yonekura.

Herbs, perennial, 30-40 cm tall, with slender fibrous roots. Stems much branched above middle. Lower branches long, spreading; upper branches ascending; stem and branches gray-white, pubescent, especially in upper part. Basal and lower leaves pinkish at anthesis. Middle stem leaves sessile; leaf blade broadly obovate-elliptic or elliptic, 1.5-2 × ca. 1 cm, both surfaces gray-white, densely appressed pubescent or villous, 2-pinnatisect; primary lateral segments 2- or 3-paired; ultimate segments narrowly elliptic, oblanceolate, or falcate, apex acute. Upper leaves and leaves below synflorescence small, pinnatifid or palmatifid. Synflorescence a terminal compound flat-topped panicle. Capitula many. Involucres broadly campanulate, 5-6 mm in diam.; phyllaries in 3 rows, scarious margin broad, dark brown, outer ones narrowly elliptic, ca. 2 mm, abaxially sparsely villous, middle and inner ones elliptic or oblanceolate, ca. 4 mm, middle ones sparsely villous abaxially, inner ones glabrous abaxially. Florets yellow; marginal female florets 6, corolla narrowly tubular, ca. 1.2 mm, apex truncate or obliquely truncate; disk florets many, corolla tubular. Fl. Aug.

● Mountain slopes; 3500-3600 m. Xizang (Nyêmo).