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

4. Blumea riparia Candolle, Prodr. 5: 444. 1836.

假东风草 jia dong feng cao

Conyza riparia Blume, Bijdr. 899. 1826, not Kunth (1818).

Shrubs, scandent. Stems 0.5-2.5 m tall, somewhat pubescent among synflorescences. Leaves petiolate; petioles usually distinct, narrow, up to 6 mm, not amplexicaul; leaf blade ovate-lanceolate, 5-13 × 1.5-4 cm, ± glabrous on both surfaces, base rounded or sometimes subacute, margin remotely denticulate without coarser teeth, apex acuminate. Capitula 5-8 mm in diam., on short peduncles (1-7 mm) in tight or loose clusters in axillary and terminal panicles. Involucre 5-seriate; phyllaries of outer 2 series ovate, 2.2-3.5 mm, pubescent, of inner 2 series narrowly oblong to linear, ca. 7 mm. Receptacle 2-3 mm in diam., densely long hairy. Corollas yellow, 5.5-7 mm; lobes of central florets with glandular and few or many eglandular hairs. Pappus white. Fl. Jan-Jun. 2n = 18.

Forests, thickets, streamsides; 400-1800 m. Guangdong, Guangxi, Taiwan, Yunnan [Bhutan, India, Indonesia, Malaysia, Myanmar, Nepal, New Guinea, Philippines, Thailand, Vietnam; Pacific islands (Solomon Islands)].


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