Botanical Survey of India | Flora of India

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Lactuca cooperi Anthony in Notes Roy. Bot. Gard. Edinb. 18: 198. 1934.

Herbs, perennial with long woody rhizomes; stems absent or short. Leaves all radical, rosulate, orbicular, entire or minutely and distantly denticulate, glabrescent; petiole somewhat broad at the base. Heads cylindric, ca 1 - 5-cm long, 10-flowered; peduncle slender. Involucral bracts pale green, ca 6, linear-oblong, 15 x 2 mm, with membranous margins, glabrous inside, dorsally pilose, apex minutely white ciliate. Achenes 6 mm long, compressed, 9-ribbed, narrowed at base, hispid towards apex, distinctly contracted at beak. Pappus white-shining, ca 10 mm long.

Fl. & Fr. Aug.- Sept.

Distrib. India: E. Himalayas in alpine and sub alpine meadows and on exposed hill slopes, 4500-5000 m. Sikkim.


Notes. This species is known only by its type collection. Type specimen is also not available. It would be rewarding to relocate this species in the type locality.

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