Botanical Survey of India | Flora of India

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Blumea fistulosa (Roxb.) Kurz in J. Asiat. Soc. Bengal 46(2): 187. 1877. Conyza fistulosa Roxb., Fl. Ind. 3: 429. 1832. B. glomerata DC. in wight, Contrib. Bot. Ind. 15. 1834; Hook.f., Fl. Brit. India 3: 262. 1881.

Herbs, erect; stem, 0.8-1.5 m tall, glabrate at base, puberulous to densely velutinous above. Leaves sinuately incised; lower leaves obovate with a long tapering base, serrate or lyrate-pinnatifid, shortly petioled; the upper leaves smaller, oblong-lanceolate to broadly oblanceolate, acute to apiculate, coarsely serrate-dentate with mucronate teeth; 3-16 x 0.5-6.5 cm, tomentose to puberulous on both surfaces, sessile. Heads in compact globose clusters, arranged in interrupted spicate panicles; 4-5 mm in diam., sessile. Involucral bracts bright purple or purple-tipped, slightly longer than the florets, 1-5 mm long; inner linear with scarious margins, acute, minutely pubescent on dorsal surface with hairs and stalked glands. Receptacle flat or slightly concave in the centre, alveolate, pubescent. Corolla of bisexual florets yellow, tubular, 3-4 mm long, 5-lobed with papillate pubescent lobes; corolla of female florets filiform,up to 3.5 mm long, 2 to 3-lobed, glabrous. Achenes brown, oblong, quadrangular, puberulous. Pappus white, up to 4 mm long, hairy.

Fl. & Fr. Dec.- May.

Distrib. India: Throughout tropical Himalayas, in open grasslands and forest margins, generally in dry localities, up to 1450 m. Uttar Pradesh, Bihar, W. Bengal, Sikkim, Assam, Orissa, Madhya Pradesh, Gujarat, Maharashtra, Goa and Tamil Nadu.

Nepal, Bhutan, Myanmar, China, Philippines and S.E. Asia.

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