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

2. Pentanema cernuum (Dalzell) Y. Ling, Acta Phytotax. Sin. 10: 180. 1965.

垂头苇谷草 chui tou wei gu cao

Vicoa cernua Dalzell in Dalzell & A. Gibson, Bombay Fl. 126, 314. 1861; Inula dalzellii Handel-Mazzetti.

Herbs, annual. Stems 25-50 cm tall, pubescent. Petiole very short; leaf blade oblong-lanceolate, 5-7.5 × 2-2.5 cm, both surfaces shortly pubescent, base narrower, margin shallowly serrulate or dentate, rarely entire, apex acute or acuminate. Capitula 5-7 mm in diam., pendulous, in sparse corymbs; peduncles slender, usually with 1 small bracteal leaf. Phyllaries linear, apiculate, pubescent; outer ones squamiform. Ray florets 20-40; lamina yellow, linear, longer than involucre, apex 3-toothed. Achenes oblong, ca. 0.6 mm, sparsely pubescent. Pappus of disk florets few, brown, 3-4 mm.

Grassy slopes; ca. 1500 m. Yunnan [Bhutan, India, Nepal].


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