Climbing Buckthorn
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Climbing Buckthorn
ative Photo: Siddarth Machado
Common name: Climbing Buckthorn • Malayalam: Kokkuvalli
Botanical name: Rhamnus wightii    Family: Rhamnaceae (Ber family)

Climbing Buckthorn is a thornless straggler to a liana. Leaves are alternate, elliptic-oblong, up to 10 x 4 cm, somewhat leathery, hairless; nerves 7 pairs; base blunt, margin toothed-recurved, tip tapering; leaf-stalk up to 8 mm; stipules 0. Flowers are borne in spikes in leaf-axils, also at branch-ends, up to 5 cm; flower-cluster-stalk 1 cm. Flowers are 3 mm wide; flower-stalk 2 mm; bracts puberulous. Calyx 5-lobed; sepals ovoid. Petals are 5, yellowish, hoodlike. Disk is adnate to calyx, pitted. Stamens are 5. Ovary is urn-shaped, 3-celled; styles 3; stigma discoid. Drupe is 7 mm wide, 3- celled; seeds 3, conical, 3 mm wide. Climbing Buckthorn is found in India, Sri Lanka and Nepal. Flowering: January-April.

Identification credit: Siddarth Machado Photographed in Nilgiri Biosphere Reserve, Tamil Nadu.

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