毛茎橐吾 mao jing tuo wu

Plants grayish green. Stem erect, 30-55 cm tall, 4-6 mm in diam. at base, proximally glabrescent, distally and synflorescence densely white arachnoid-puberulent and shortly yellowish brown pilose. Basal leaves petiolate; petiole 2-16 cm, glabrous or sparsely arachnoid-puberulent, base sheathed, entirely winged at middle to distally; leaf blade ovate-oblong or oblanceolate, 8-28 × 3-6 cm, sparsely white puberulent and shortly yellowish brown pilose on both surfaces or adaxially more densely so, pinnate-parallel veined, base cuneate, margin denticulate, apex acute. Stem leaves 1-3, sessile, tubular, 2.5-7 cm, margin entire or irregularly denticulate. Synflorescence racemose, 5-15 cm, lax; leaflike bracts linear-lanceolate to linear, proximal ones to 3.5 cm, densely arachnoid-puberulent, smaller distally. Capitula 2-10; supplementary bracts linear to subulate, shorter than involucre, arachnoid-puberulent. Involucre broadly campanulate, 8-13 mm, mouth 7-16 mm in diam., outside white puberulent or shortly yellowish brown pilose; phyllaries 10-12, in 2 rows, lanceolate or ovate-lanceolate, 1.5-4 mm wide, margin membranous and sparsely white ciliate, apex acuminate, acute, or rounded. Ray florets 10 or 11, yellow; lamina oblong, 9-13 × 2-3.5 mm, apex acute or rounded; tube 1.5-2.5 mm. Tubular florets numerous, 4-5 mm; tube 1-1.5 × ca. 3 mm. Achenes oblanceolate (immature). Pappus white, as long as tubular corolla. Fl. Aug, fr. Aug-Sep.

● Stream banks, forest understories, alpine meadows; 3500-4000 m. Gansu (Têwo), Qinghai (Yushu), Sichuan (Jiulong, Muli), Yunnan (Zhongdian).