Cocculus prainianus (Diels) Pramanik & Thoth. in Kew Bull. 42(3): 706. 1986. Pericampylus prainianus Diels in Engler, Pflanzenr. 46: 221. 1910.

Scandent herbs; branches densely pilose hairy. Leaves broadly ovate to elliptic, acuminate, 4 - 7 x 2.5 - 4 cm, pilose above, pallid beneath, palmately 3-nerved, at times obscurely 5-nerved. Inflorescences axillary, paniculate corymbs, lax-flowered; branches spreading, pubescent; pedicels 5 - 7 mm long, slender. Male flowers: sepals 6; the outer 3 obovate, spathulate, ca 2 x 1 mm; the inner 3 narrowly obovate, ca 1.8 mm long; petals spathulate, inflexed along margins, ca 1 mm long; stamens 6, united at upper part.

Fl. & Fr. June - Sept.

Distrib. India: Nagaland and Great Nicobar Island.

Notes. The plant shows characters different from Pericampylus in having palmately 3-nerved leaves, acute leaf-bases and 6 sepals.