524 Pterocarpus marsupium Roxb.
Siddha ► Vengai (Tamil), Yerravegisa
Folk ► Chalangada (Andamans). Action ► See Pterocarpus santalinus.
The wood contains a red pigment santalin and a yellow flavonoid santal, both of which also occur in Pterocarpus santalinus. The bark and the heartwood contain pterostilbene. The heartwood yields pterocarpin, liquirit-igenin and isoliquiritigenin. The sapwood gave homopterocarpin additionally.
Pterocarpus indicus Willd. non-Baker, Malay Padauk, is also known as Vengai in Tamil and Yerravegisa in Tel-ugu. A decoction of the wood is given in dropsy and for stone in the bladder. The bark-kino is used as an application for sores and a decoction of the bark or kino is used for diarrhoea.
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