垂头橐吾 chui tou tuo wu

Cremanthodium cremanthodioides (Handel-Mazzetti) R. D. Good.

Stem erect, 5-60 cm tall, 3-5 mm in diam. at base, proximally glabrous, distally densely shortly yellow pilose. Basal leaves petiolate; petiole 7-33.5 cm, base sheathed; leaf blade reniform, 3.5-13.5 × 4.5-11 cm, glabrous or abaxially shortly pilose only along veins, palmately veined, margin regularly triangular-dentate, tips of teeth mucronate, apex rounded or retuse; sinus ca. 1/3 as long as leaf blade, narrow, basal lobes orbicular. Stem leaves similar but smaller, petiolar base broadly sheathed. Middle to distal leaves smaller, only base broadly sheathed. Capitula 2-11, in corymb or rarely solitary; leaflike and supplementary bracts linear; peduncles to 10 cm, densely shortly yellow pilose. Involucre hemispheric or campanulate, 10-14 × 10-15 mm, outside white arachnoid-puberulent or glabrescent; phyllaries 10-13, in 2 rows, lanceolate or oblong, minutely denticulate, apex acute; inner phyllaries broadly membranous at margin. Ray florets yellow; lamina oblong, 10-15 × 2-4 mm, apex acute, 3- or 4-denticulate. Tubular florets numerous, 5-8 mm; limb ca. 2 mm wide; tube 1-2 mm. Pappus white, as long as tubular corolla. Fl. Jul-Aug.

Forest understories of valleys and rocky areas; 3600-4000[-5300] m. SE Xizang, NW Yunnan [Nepal].