光叶火石花 guang ye huo shi hua

Herbs, perennial; rhizome fulvous lanuginous. Leaves in basal rosette; petiole 10-15 cm, glabrous; leaf blade oblong or oblong-lanceolate, 15-27 × 6-11 cm, papery, both surfaces glabrous, base attenuate, margin runcinate, apex mucronate. Scapes 30-62 cm, arachnoid lanate; bracts many, subulate, 1-1.5 cm. Capitula solitary, erect, terminal, radiate, 2.5-4 cm in diam.; involucre campanulate; phyllaries 4- or 5-seriate, outer phyllaries linear, ca. 8 mm, sparsely tomentose, inner phyllaries oblong, 1.6-1.9 cm, glabrous. Marginal female florets bilabiate, outer lips light red, strap-shaped, ca. 13 × 2.5 mm, inner lips 6-8 mm; central bisexual florets many, white, bilabiate. Achenes terete, ca. 5 mm, pilose; pappus brownish, ca. 1.2 cm. Fl. Oct-Nov.

● Forests; ca. 2700 m. NW Yunnan.