Botanical Survey of India | Flora of India

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Gynura bicolor (Roxb. ex Willd.) DC., Prodr. 6: 299. 1838. Cacalia bicolor Roxb. ex Willd., Sp. Pl. 3: 1731. 1804. Gynura angulosa DC., Prodr. 6: 298. 1838; Hook.f., Fl. Brit. India 3: 334. 1881. G. allgulosa var. petiolata Hook.f., Pl. Brit. India 3: 334. 1881.

Herbs, perennial, decumbent to erect; stems slender to robust, ca 4 m tall, faintly ribbed, woody at the base, much branched and leafy. Leaves ovate or elliptic-lanceolate to rhomboid, acute, toothed, 4 - 5 x 2 - 10 cm, glabrous or with inconspicuous hairs chiefly on the veins, green on upper surface, greenish black on lower surface, cuneate into broad, amplexicaul, auricled base, sessile. Capitula discoid, campanulate, in 2 - 6-clustered corymbs or lax panicle, bracteolate; bracteoles ca 9 mm long; peduncle very variable in length, pubescent, minutely bracteate. Involucre campanulate, 9 - 15 mm long; bracts blackish green, oblong, 9 - 15 x 2 mm, glabrous, ribbed, with broad scarious margins. Disc florets yellow, 11 - 14 mm long; limb 4 mm long; 5-lobed; lobes purple tinged, slightly papillose. Achenes oblong, ca 3 mm long, slightly flattened, faintly ribbed, slightly narrowed above, glabrous or pubescent. Pappus hairs white, ca 9 - 10 mm long, copious.

Fl. & Fr. July - Sept.

Distrib. India: Widely distributed between 2000 - 3000 m. Himachal Pradesh, Uttar Pradesh, Arunachal Pradesh, Nagaland, Meghalaya and Maharashtra.

Nepal, Bhutan, Myanmar, China and Japan.

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