心叶橐吾 xin ye tuo wu

Stem erect, to 45 cm tall, 3-4 mm in diam. at base, densely shortly yellow pilose, proximal hairs black, distal hairs yellow. Basal leaves petiolate; petiole to 12 cm, slender, densely shortly pilose; sheath 4-4.5 cm, densely shortly pilose, mouth of sheath entire; leaf blade ovate-cordate or ovate, 4-9.5 cm, to 11.5 cm wide at base, abaxially sometimes shortly pilose, adaxially glabrous, pinnately veined, base cordate, margin regularly denticulate, between teeth pubescent, apex obtuse; sinus 1/5-1/4 as long as leaf blade, basal lobes orbicular. Middle to distal stem leaves similar but smaller, shortly petiolate; sheath enlarged, cymbiform. Capitula 2-6, in corymb; leaflike bracts linear; supplementary bracts absent; peduncles 0.5-2 cm, densely shortly yellow pilose. Involucre broadly turbinate, 8-10 mm, mouth ca. 1 cm in diam., outside densely shortly yellow pilose; phyllaries ca. 13, in 2 rows, oblong, ca. 3 mm wide, apex obtuse; inner phyllaries broadly brown membranous at margin. Florets numerous, higher than involucre, all tubular, yellow, 5.5-6.5 mm; tube 1-1.5 mm; limb cylindric. Achenes dark brown, fusiform, ca. 4 mm. Pappus yellowish, as long as tubular corolla. Fl. and fr. Sep-Oct.

● Stream banks, grassy slopes; 3300-4000 m. S and SW Sichuan.