锈毛旋覆花 xiu mao xuan fu hua

Herbs, perennial, 60-150 cm tall. Stems loosely lanate at first. Leaves elliptic-lanceolate, 7-17 × 2.5-4 cm, pubescent and shortly glandular on surfaces but more sparsely so adaxially, base attenuate to petiole ca. 5 mm, margin minutely denticulate, apex acuminate. Capitula 6-10 cm in diam., solitary on top of stem or branchlet. Involucre hemispheric, 18-40 mm in diam.; phyllaries persistent and reflexed in fruiting, in 3 or 4+ series, to ca. 15 × 1 cm, brown villous. Receptacles flat, smooth or minutely alveolate, epaleate. Ray florets 20-30(-50+); corolla yellow, tube 5-7 mm, lamina linear, 18-45 × ca. 1 mm. Disk florets 40-100(-150); corolla yellow, 5-6.5 mm, 5-lobed. Achenes ellipsoid, ca. 1.5 mm, glabrous, with 12 sulci. Pappus white, subequal to disk corollas. Fl. Jul-Oct, fr. Oct. 2n = 20.

Mountain slopes, shrublands, sparse forests, grasslands; 2400-3600 m. SE Xizang, NW Yunnan [Bhutan, India (Sikkim), Myanmar, Nepal].