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

26. Blumea fistulosa (Roxburgh) Kurz, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 46: 187. 1877.

节节红 jie jie hong

Conyza fistulosa Roxburgh, Fl. Ind., ed. 1832, 3: 429. 1832; Blumea amethystina Hance; B. glomerata Candolle; B. purpurea Candolle; B. racemosa Candolle; B. vaniotiana H. Léveillé.

Herbs, annual. Stems simple, erect, 15-100 cm, shaggily pubescent above. Leaves oblanceolate to obovate, 3-15 × 0.5-5 cm, pubescent (rarely sparsely pilose) on both surfaces, base narrowly long attenuate, margin bidentate (sometimes sublobulate), apex acute. Capitula in small ± sessile clusters arranged in interrupted spikelike terminal racemes or sparsely branched panicles. Involucres 4- or 5-seriate, ca. 3.5 mm in diam.; phyllaries purplish adaxially, mostly recurved from middle by anthesis, 2.5-6 mm, pubescent, sparsely glandular, outer series ± lanceolate, remainder linear. Receptacle sparsely shortly pubescent. Corollas yellow, 4.2-5 mm, lobes of central florets with glandular and few eglandular hairs. Pappus white. Fl. Oct-Apr. 2n = 18, 30.

Grasslands, sparse forests; 300-1900 m. Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan [Bhutan, India, Myanmar, Nepal, Thailand, Vietnam].


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