独舌橐吾 du she tuo wu

Stem erect, 50-70 cm tall, 6-8 mm in diam. at base, shortly yellowish brown pilose. Basal leaves petiolate; petiole 19-26 cm, shortly yellowish brown pilose, base sheathed; sheath usually reddish purple, entire; leaf blade peltate, broadly reniform, 9-15 × 20-30 cm, abaxially shortly pilose, adaxially glabrous, palmately veined, margin dentate, apex retuse; sinus ca. 1/3 as long as leaf blade, broad, basal lobes divergent. Middle and distal stem leaves shortly petiolate or sessile; sheath enlarged, cucullate; leaf blade smaller, reniform. Distalmost stem leaves only sheathed. Corymbs compound, not spreading, to 20 cm; branches to 15 cm, fasciated, shortly yellowish brown pilose. Capitula numerous; leaflike and supplementary bracts linear; peduncles 7-10 mm, shortly yellowish brown pilose. Involucre narrowly cylindric, 7-9 × 3-4 mm, outside shortly pilose; phyllaries 5-8, lanceolate or oblong, apex acute or obtuse; inner phyllaries brown, margin broadly membranous. Ray floret 1, yellow; lamina oblong or obovate-oblong, 5-6 × ca. 3 mm, apex obtuse. Tubular florets 6-10, 5-6 mm; tube ca. 2 mm. Achenes cylindric, to 7 mm. Pappus white to pale yellow, 3-4 mm, shorter than tubular corolla. Fl. and fr. May-Nov.

● Stream banks, bogs, forest understories, grassland slopes, gravelly slopes; 3400-3900 m. NW Yunnan.