戟叶火绒草 ji ye huo rong cao

Gnaphalium dedekensii Bureau & Franchet, J. Bot. (Morot) 5: 70. 1891; G. leontopodium Linnaeus var. foliosa Franchet; Leontopodium dedekensii var. microcalathinum Y. Ling; L. foliosum Beauverd; L. futtereri Diels; L. hastatum Beauverd; L. micranthum Y. Ling.

Herbs, perennial. Rhizome short and stout, with several to numerous stems. Stems 10-45 cm tall, not branched or rarely slightly branched, entire plant densely grayish arachnoid pubescent, equally and densely leafy. Leaves: lower ones usually larger than upper ones; blade linear-lanceolate, 10-40 × 1.3-6.5 mm, both surfaces densely grayish arachnoid pubescent, base cordate, sagittate, or truncate, apex obtuse. Capitula 5-30, heterogamous or dioecious, closely aggregated, 4-5 mm in diam.; bracteal leaves 14-20, 5-30 × 2-4 mm, forming a star of 2-5 cm in diam., densely whitish to yellowish arachnoid pubescent. Involucre 3-4 mm; phyllaries 3-seriate, spatulate-oblong, 3-4 mm, apex acute or rounded, glabrous, dry membranous. Corolla ca. 3 mm. Achenes papillose. Pappus white, 3-4 mm, serrulate. Fl. Jun-Jul, fr. Jul-Sep.

Grasslands, thickets, conifer forests; 1400-4100 m. Gansu, Qinghai, Sichuan, Xizang, Yunnan [Myanmar].