坚杆火绒草 jian gan huo rong cao

Herbs, perennial. Rhizome slender, densely with numerous flowering and sterile stems. Stems woody in lower part, yellow glandular hairy and upper part with arachnoid pubescence; internodes 3-5 mm. Leaves densely arranged, linear, 10-35 × 1-3 mm, abaxially with sparse glandular hairs and densely lanate, adaxially densely covered with glandular hairs. Capitula 10-30, 3-5 mm in diam., in dense corymbs; bracteal leaves numerous, linear, 5-10 × 1-2 mm, both surfaces densely lanate. Involucre 2- or 3-seriate, abaxially brown; phyllaries lanceolate, ca. 3 mm, apex brown and acute. Marginal florets female; corolla capillary, 2-3 mm. Disk florets male; corolla light yellow, subtubular, ca. 3.5 mm. Achenes papillose. Pappus of capillary bristles, white. Fl. Jul-Sep, fr. Sep-Oct.

● Dry grasslands, scree slopes, sandy riverbanks; 3000-4000 m. W Sichuan, NW Yunnan.