Rasi Vanam

C.P.R. Environmental Education Centre
Chennai
Habitat:
Large trees; height about 30 m; bark 10-15 mm thick, surface grey-brown, irregularly cracked and shallowly fissured, subverrucose, lenticellate; blaze creamy yellow, outer layer thin, corky, inner layer brittle; latex milky white; branch-lets whorled. Leaves simple, whorled, estipulate; petiole 5-12 mm long, stout, glabrous; lamina 5-20 x 3-7 cm, obovate, oblanceolate or obovate-oblong; base cuneate or attenuate; apex obtuse or emarginate; margin entire, glabrous, subcoriaceous; lateral nerves many, slender, prominent, glabrous, parallel, looped near the margin forming intra-marginal nerves; inter-costae reticulate, obscure. Flower bisexual, 10-12 mm long, greenish-white in terminal umbellate cymes; calyx cupular, lobes 5, ovate, unequal, obtuse, puberulous, glandular; corolla salver shaped, 4 mm across, lobes 5, obovate to orbicular, creamy yellow, spreading; stamens 5, included; anthers narrowly cordate; disc obscure; carpels 2, free, ovules many; style filiform; stigma obconic. Fruit of two linear, narrow, pendulous follicular mericarps, green, 30-40 cm long; seeds 5-6 mm long, flat, comate at both ends (India Biodiversity Portal.com).

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