Dipterocarpus ALATUS Roxb. ex G. Don.

Synonym : Dipterocarpus gonopterus Turcz.
Dipterocarpus incanus Roxb.
Dipterocarpus philippinensis Foxw.
Bangla Name : Garjan, Silgarjan, Dhuli-garjan, Dholi-garjan, Mashkaliya-garjan, Harra-garjan (Chittagong).
English Name : -
Family : Dipterocarpaceae
Disease : Rheumatism and gonorrhoea.
Description : A lofty evergreen tree with tall cylindric bole and comparatively small crown. Leaves 9-21 cm long, elliptic, or ovate-elliptic, acute or shortly acuminate, coriaceous, nearly glabrous above and stellate-pubescent beneath. Flowers subsessile, in simple, 3-7-flowered, axillary racemes, petals 1.5-2.5 cm long, stellately pubescent. Fruit-belly 1.8-2.5 cm long, wings 7.5-12.5 mm long.
Distribution : In the forests of Chittagong and Cox’s Bazar.
Chemical Constituents : Plant contains essential oil, 2 sesquiterpenes of eudesmane series (Asolkar et al., 1992).
Uses : Bark is considered tonic, depurative and prescribed in rheumatism. The oleo-resin of the bark is applied externally in gonorrhoea and ulcerated wounds.
Habit : Tree