灌木小甘菊 guan mu xiao gan ju

Cancrinia paucicephala Y. Ling; Poljakovia falcatolobata (Krascheninnikov) Grubov & Filatova; Tanacetum falcatolobatum Krascheninnikov.

Subshrubs, (30-)40-50 cm tall; branchlets ribbed, white tomentose, brown gland-dotted. Leaves petiolate; leaf blade oblong-linear, 1.5-3 × 0.5-1.2 cm, pinnatipartite, abaxially gray-white tomentose, adaxially sparsely tomentose or glabrescent, both surfaces brown gland-dotted, lateral lobes 2-5-paired, falcate, margin entire or 1- or 2-denticulate. Uppermost leaves linear, entire or denticulate. Synflorescence a flat-topped cyme; capitula 2-5. Involucres campanulate or broadly campanulate, 5-7 mm in diam.; phyllaries in 3 or 4 rows, abaxially sparsely pilose, brown gland-dotted, scarious margin narrow, pale brown; outer ones ovate-triangular or oblong-ovate, inner ones oblong-obovate, scarious margin hyaline. Florets yellow, 5-lobed. Achenes ca. 2 mm, 5-ribbed, gland-dotted. Corona scales 5, lanceolate. Fl. and fr. Jul-Oct.

Gravelly mountain slopes, alluvial fans by riverbanks; 2100-3600 m. Gansu, Nei Mongol, Qinghai, Xinjiang, Yunnan [Mongolia].