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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Ligularia

88. Ligularia tsangchanensis (Franchet) Handel-Mazzetti, Symb. Sin. 7: 1140. 1936.

苍山橐吾 cang shan tuo wu

Senecio tsangchanensis Franchet, Bull. Soc. Bot. France 39: 299. 1893; Senecillis tsangchanensis (Franchet) Kitamura; Senecio remipes W. W. Smith.

Stem erect, 15-120 cm tall, 3-8 mm in diam. at base, proximally glabrous, distally and synflorescence white arachnoid-puberulent and shortly yellowish brown pilose. Basal leaves petiolate; petiole 10-20 cm, base sheathed; wing margin entire or denticulate; leaf blade ovate-oblong or ovate, rarely orbicular, 3.5-18 × 3-14 cm, glabrous, pinnately veined, base truncate or broadly cuneate, margin dentate, apex acute, mucronate. Middle to distal stem leaves sessile, oblong, 7-20 × 3-9 cm, base semiamplexicaul. Distalmost stem leaves smaller, lanceolate. Synflorescence racemose, 7-25 cm, proximally sometimes branched; leaflike bracts linear-lanceolate to linear, to 3 cm; peduncles 1-1.5 cm. Capitula numerous; supplementary bracts linear. Involucre campanulate, 7-9 × 4-7 mm, outside green, glabrous; phyllaries 7 or 8, in 2 rows, oblong or lanceolate, apex dark brown, triangular or acuminate. Ray florets yellow; lamina oblong, 8-12 × 2-3 mm; tube 3-4 mm. Tubular florets numerous, 6-7 mm; tube ca. 2.5 mm. Achenes greenish brown, cuneate-cylindric, 5-6 mm. Pappus white, as long as tubular corolla. Fl. and fr. Jun-Sep. 2n = 58*.

● Grassy slopes, forest understories, scrub, alpine meadows; 2800-4100 m. SW Sichuan, SE Xizang, NW Yunnan.


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