Botanical name: Tetrastigma serrulatum Family: Vitaceae (Grape family)
Synonyms: Cissus napaulensis, Cissus serrulata, Vitis serrulata
Toothed-Leaf Chestnut Vine is a large slender climbing shrub, with branches flattened, striped, hairless, and tendrils simple. Tiny flowers are borne in corymb-like cymes, about 10 cm long, on flower-cluster-stalks about 5 cm long. Flowers are about 2.5 mm long, velvet-hairy; flower-stalks about 4 mm long; sepal-cup flat; petals about 0.2 mm long; ovary about 1 mm across, hairless. Leaves are digitately compound, 5-foliolate, leaflet-stalks about 3 cm long; leaf-stalks about 8-15 cm long; blade of end leaflets about 15-18 x 5-8 cm, elliptic to oblong-lanceshaped, pointed at base, tapering at tip, distantly pointed-sawtoothed at margins. Blade of lateral leaflets is about 9-15 x 3-9 cm, oblique at base. Berries are about 2 cm across. Seeds are 1-2, about 1 x 0.5 cm, oblong-obovoid, transversely ribbed. Toothed-Leaf Chestnut Vine is found in the Himalaya to S. China and parts of SE Asia, at altitudes of ; 500-2900 m. Flowering: March-June.
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