Botanical Survey of India | Flora of India

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Woody climbers, pubescent with simple or stellate hairs. Flowers bisexual or unisexual, in pendulous or clustered cymes from old branches or leaf-opposed or extra-axillary or sometimes terminal, globose. Sepals 3, valvate, connate, hairy. Petals 6 (3 + 3), clawed and valvate at the base, imbricate at top, coriaceous, clawed, convex outside. Stamens many, linear; anthers subintrorse; connectives obliquely incurved. Carpels many, pubescent; style cylindric, glabrous, notched, sometimes absent; stigma U-shaped; ovules many in 2 rows. Torus flat, convex at margins. Ripe carpels oblong, ovoid with irregular bulges. Seeds many.

India, Bangladesh, Myanmar, Thailand, Malaysia, Borneo and New Guinea; ca 8 species, 2 in India.



KEY TO THE SPECIES


1a. Leaves 7 - 12 cm long; flowers in simple cymes; bracts basal and median 1. Cyathostemma micranthum
b. Leaves 12 - 17 (-27) cm long; flowers in dichotomous cymes; bracts distichous giving zig-zag appearance 2. Cyathostemma viridiflorum


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