纤细橐吾 xian xi tuo wu

Stem erect, 42-65 cm tall, 1.5-3 mm in diam. at base, proximally glabrous, distally and synflorescence densely shortly brown pilose. Basal leaves petiolate; petiole to 30 cm, slender, glabrous, base narrowly sheathed; leaf blade ovate-cordate or subreniform, 4.5-6 cm, base to 11 cm wide, abaxially sparsely shortly pilose, adaxially glabrous, palmate veins prominent abaxially, base cordate, margin coarsely irregularly triangular-dentate, apex acute. Middle stem leaves petiolate; petiole 5-10 mm; sheath enlarged, ovate, 17-25 × 8-10 cm; leaf blade reniform, 2-2.5 × 4-5 cm, base shallowly cordate or subtruncate, margin denticulate, apex rounded. Distalmost stem leaves ovate, base not amplexicaul. Compound corymbs spreading; branches to 6 cm; leaflike and supplementary bracts subulate, much shorter; peduncles to 2 cm, densely shortly brown pilose. Capitula 9-13. Involucre cylindric, 9-12 mm, to 4 mm wide, outside glabrous, base shortly brown pilose; phyllaries 5, in 2 rows, oblong, 1.5-3 mm wide, margin membranous, apex acute. Florets 5 or 6(-8), yellow, all tubular, 6-7 mm; tube as long as limb. Achenes brown, linear, 6-8 mm. Pappus pale brown below, brown above, as long as tubular corolla. Fl. and fr. Sep-Oct.

● Grasslands, scrub; 3200-4500 m. ?Xizang, NW Yunnan.