长叶橐吾 chang ye tuo wu

Ligularia ebracteata Handel-Mazzetti; L. semavensis Handel-Mazzetti.

Stem erect, 83-200 cm tall, ca. 1 cm in diam. at base, proximally glabrous, distally white arachnoid-puberulent. Basal leaves petiolate; petiole to 57 cm, glabrous, base sheathed, upper part winged; leaf blade lanceolate, 14-37 × 6.5-9 cm, thick, glabrous, pinnately veined, base rounded or subtruncate, margin irregularly dentate, apex obtuse. Stem leaves fewer, sessile, oblong or lanceolate, to 7(-10) cm, smaller distally, semiamplexicaul or sheath amplexicaul. Synflorescence racemose, 5-19 cm, distally or wholly (initially) densely clustered, proximally lax; leaflike bracts linear-lanceolate, to 2.5 cm; supplementary bracts linear; peduncles 5-20 mm. Capitula numerous. Involucre broadly turbinate, 9-12 mm × to 1.5 cm, outside glabrous; phyllaries 13-15, in 2 rows, reddish brown or brown, lanceolate or narrowly lanceolate, apex acuminate; inner phyllaries broadly membranous at margin. Ray florets 6 or 7, yellow; lamina oblong, 1-1.5 cm × 3-5 mm, apex rounded; tube ca. 3 mm. Tubular florets numerous, 6-7 mm; tube ca. 2.5 mm. Pappus rufous, as long as tubular corolla. Fl. and fr. Aug-Sep.

● Grassy areas in swamps; 1900-3100 m. SW Sichuan, S to W Yunnan.