Dipterocarpus TURBINATUS C.F Gaertn.

Synonym : Dipterocarpus jourdainii Pierre
Dipterocarpus laevis Buch.-Ham.
Dipterocarpus mayapis Blanco
Dipterocarpus turbinatus var. ramipiliferus Y.K. Yang & J.K. WU
Bangla Name : Teli-garjan, Telia-garjan, Tellya-garjan (Chittagong-Cox’s Bazar), Kali-garjan (Chittagong Hill Tracts), Kuroil (Sylhet). ,Kaingia (Mogh), Gajjam (Chakma).
English Name : Gurjan Balsam, Common Gurjun Tree.
Family : Dipterocarpaceae
Disease : Ulcers, ringworms, gonorrhoea, gleet and rheumatism.
Description : A lofty tree, 30-40 m tall with a straight bole. Leaves 12-36 cm long, variable, elliptic or oblong-ovate, rarely oblong, acute or acuminate, glabrous on both surfaces, coriaceous. Flowers in axillary, few-flowered spikes, petals 2-4.5 cm long, tomentose, more densely on the outside. Fruit-belly ovoid, wings 11.5-18 cm long.
Distribution : Forests of Chittagong, Chittagong Hill Tracts, Cox’s Bazar, Sylhet (Adampur).
Chemical Constituents : Principal constituent of the trunk is an oleoresin, known as garjan balsam, which yields an essential oil containing a hydrocarbon, ?-caryophyllene, humulene, other sesquiterpenes and a sesquiterpene alcohol. Bark contains bergenin. Seeds are a rich sourc
Uses : The oleo-resin of the trunk is stimulant to the mucous surfaces and diuretic, used as an external application for ulcers, ringworms and other cutaneous affections. It has been used in gonorrhoea, gleet and rheumatism.
Habit : Tree