东久橐吾 dong jiu tuo wu

Stem erect, 60-90 cm tall, distally branched, densely shortly brown pilose. Basal leaves petiolate; petiole to 30 cm, slender; leaf blade abaxially pale green, adaxially dark green, broadly reniform, ca. 10 cm, to 17 cm wide, abaxially shortly brown pilose along veins, palmately veined, with 9 principal veins and slender reticulate veins, base broadly cordate, margin sharply dentate, apex rounded; basal lobes orbicular. Middle stem leaves petiolate; sheath lanceolate; leaf blade reniform, ca. 7 cm. Distalmost stem leaves bracteal, spatulate, narrowly shortly petiolate, margin entire. Compound corymbs clustered, ca. 5 cm wide; leaflike and supplementary bracts filiform; peduncles to 5 mm, shortly purplish brown pilose. Capitula numerous. Involucre brown, narrowly cylindric, ca. 1 cm, outside glabrous; phyllaries 3, linear, margin brown or purplish brown membranous, apex obtuse. Florets 3, all tubular, longer than involucre; tube as long as limb. Pappus reddish brown, slightly shorter than tubular corolla. Fl. and fr. Aug.

● Scrub; 3400-4000 m. Xizang (Nyingchi).