Botanical Survey of India | Flora of India

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Cissus subramanyamii Shetty & P. Singh, sp. nov.

Cissus arnottianae Shetty & P. Singh affinis, sed habitu magniore scandenti; foliis coriaceis, atroviridibus, margine repandos-serratis differt.

Typus: India, Tamil Nadu, Vilpattivalley R.f., M. Chandrabose 51372 (holotypus CAL; isotypus MH).

Enormous climbers; branches smooth, fleshy, glaucous; tendrils stout, simple. Leaves suborbicular, slightly 3-5 -lobed, 18-25 x 15-20 cm, acute to subobtuse at apex, deep cordate-sagittate at base, repand-serrate at margins, coriaceous, dark green; petioles 6-9 cm long, twisted at base; stipules slightly reniform, 4-5 x 2-3 mm. Inflorescences umbellate cymes, 5-7 cm long; peduncles 4-5 cm long, pubescent. Flowers ca 3.5 mm long; pedicels ca 8 mm long, pubescent. Calyx cupular. Petals ca 3 x 2 mm, hooded, pinkish red. Stamens ca 1.5 mm long. Disc 4-lobed, fleshy, white. Ovary ca 1 mm across, glabrous; style conical; stigma minute. Berries not seen.

Distrib. India: Tamil Nadu. Endemic.

Notes. This species is allied to Cissus arnottiano Shetty & P. Singh, but differs in being enormous climbers and in the texture and colour of leaves.

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