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

16. Melanoseris tenuis (C. Shih) N. Kilian, Fl. China. 20-21: 223. 2011.

全叶细莴苣 quan ye xi wo ju

Basionym: Stenoseris tenuis C. Shih, Acta Phytotax. Sin. 29: 412. 1991.

Herbs 0.5-1.5 m tall, perennial. Stem solitary, erect, apically branched and glandular hairy. Lower and middle stem leaves with petiole 5-8 cm, basally slightly widened and not clasping; leaf blade triangular to triangular-ovate, 5-14 × 5-10 cm, undivided, glandular hairy, glabrescent, base somewhat cuneate to truncate, shallowly cordate, or shallowly hastate, margin mucronulate-dentate, apex acute to acuminate. Upper stem leaves similar to middle stem leaves but with shorter petiole and smaller; uppermost stem leaves sessile or subsessile. Synflorescence paniculiform, with usually numerous capitula and capillaceous branches. Capitula with 3 florets; peduncle capillaceous. Involucre green, narrowly cylindric, 11-13 × ca. 1.5 mm. Phyllaries glabrous; outer phyllaries ovate to lanceolate, longest ca. 3 × 1 mm, apex acute; inner phyllaries 3. Florets bluish purple. Achene ca. 5 mm; body brown, narrowly ellipsoid to obcolumnar, compressed, lateral ribs broadened, apex contracted into a thick ca. 1 mm beak. Pappus ± single, ca. 6 mm. Fl. and fr. Aug-Sep.

● Forest margins, forests, thickets; 2400-3100 m. S and SE Xizang (Bomi, Nyalam, Yadong), NW Yunnan.


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