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

22. Blumea membranacea Candolle, Prodr. 5: 440. 1836.

长柄艾纳香 chang bing ai na xiang

Blumea balansae Gagnepain.

Annuals, 7-100 cm. Stems usually simple, glandular-pubescent, sometimes with few longer eglandular hairs above. Leaves simple; petiole to 3 cm; blade obovate or lyrate, often oblanceolate in outline, with 1 or 2(or 3) pairs of lateral lobes, 2-13 × 1-5 cm, thinly herbaceous, pubescent on both surfaces, sometimes stipitate glandular adaxially at least in synflorescence, base narrowly attenuate, usually petiolate, margin denticulate (to shallowly dentate), apex acute or obtuse. Capitula rather few in narrow terminal panicles. Involucre ca. 4 mm in diam.; phyllaries purplish tinged, 6-seriate, 2-6.5 mm, glandular-pubescent, sometimes with few eglandular hairs, outermost lanceolate, inner ones linear. Receptacle glabrous. Corollas yellow; marginal florets 3.5-4.5 mm; central florets 4.5-5.5 mm, lobes with glandular hairs and sometimes very reduced eglandular ones. Pappus white. Fl. Feb-Jun.

Forests, valleys along streams; 300-1400 m. Guangdong, Guangxi, Hainan, Yunnan [India, Indonesia, Malaysia, Myanmar, Nepal, Pakistan, Sri Lanka, Thailand, Vietnam].


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