Botanical Survey of India | Flora of India

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Herbs, marshy, glabrous or saberulous. Leaves opposite, entire to subcrenate, sessile. Heads subsessile, heterogamous, subradiate, axillary, unilateral or in alternate axils. Involucral bracts few, foliaceous, in opposite pairs; outer 2 larger. Receptacle convex or conical; pales enclosing the flowers. Ray florets female, fertile; corolla small, 3 - 4 toothed. Disc florets hermaphrodite, fertile or inner ones sterile; corolla tubular, campanulate, 5-lobed. Anther bases obtuse, entire. Style arms dorsally compressed with hispid tips. Achenes oblong, enclosed in pales, outer dorsally; inner laterally compressed. Pappus absent.

In the wanner parts of the world; 10 species, 1 in India.




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