Wedelia biflora (L.) DC. in Wight, Contrib. Bot. Ind. 18. 1834. Verbesina biflora L., Sp. Pl. ed. 2. 1272. 1763; Hook.f., Fl. Brit. India 3: 306. 1881.

Herbs or shrubs; scandent, straggling or climbing; stems sparsely pilose, ribbed. Leaves oblong-ovate or ovate, long or shortly acuminate, cuneate or rounded at base, trinerved, finely serrate, 3 - 6 x 0.5 - 3.5 cm, shortly appressed hispid on both surfaces, petiolate. Heads solitary or several in loose cymes, 7 - 8 mm across; peduncles up to 9 cm long, pubescent. Involucral bracts 8 - 10, ovate-elliptic, pubescent, 5 - 6 x 2 - 3 mm. Ray florets 8 - 12; corolla oblong, emarginate or 2 - 3 lobed, appressed pubescent beneath, 6 - 15 x 4 - 6 mm. Style arms lanceolate, papillose the upper part. Disc florets many; corolla 5 - 6 mm long; lobes puberulous. Achenes dark: brown, truncate at apex, 3 - 4 mm long; those of ray florets triquetrous and of disc almost compressed. Pappus a minute dentate cup with one or two weak bristles, 1 - 1.5 mm long.

Distrib. India: West Benagl, Maharashtra and Andaman & Nicobar Islands.

Malaya, China, Sri Lanka, Australia, E. Africa, Indonesia, Japan and Thailand.