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

51. Cremanthodium delavayi (Franchet) Diels ex H. Léveillé, Cat. Pl. Yun-Nan. 43. 1916.

大理垂头菊 da li chui tou ju

Senecio delavayi Franchet, Bull. Soc. Bot. France 39: 286. 1892.

Stem solitary, erect, 20-50 cm tall, 3-6 mm in diam. at base, proximally glabrous, distally white puberulent. Basal leaves petiolate; petiole ca. 20 cm × to 5 mm, base narrowly sheathed; leaf blade broadly triangular or ovate-triangular, 6-13 × 7-10 cm, glabrous or abaxially initially white puberulent, glabrescent, pinnate veins prominent abaxially, base truncate, margin sharply dentate or undulate-dentate, apex acute. Middle stem leaves shortly petiolate, base sheathed; leaf blade ovate-triangular, small, ca. 6 × to 7 cm. Distal stem leaves sessile, ovate-lanceolate, base semiamplexicaul. Capitulum solitary, nodding. Involucre hemispheric, 1-1.2 × 2-2.5 cm, outside glabrous, rarely puberulent at base; phyllaries 10-14, in 2 rows, ovate-lanceolate or elliptic, 6-8 mm wide, apex acute. Ray florets yellow; lamina linear-lanceolate, 2.5-4.5 cm, to 9 mm wide at base, apex caudate-acuminate, 3-lobed; tube ca. 2 mm. Tubular florets numerous, yellow, 6-7 mm; tube ca. 1 mm; limb campanulate, 3-3.5 mm. Achenes oblanceolate, ca. 4 mm, ribbed. Pappus brown, as long as tubular corolla. Fl. and fr. Jul-Sep.

Grassy slopes, wastelands; 3600-4200 m. NW and W Yunnan [Myanmar].


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