Medicinal Plants of Bangladesh
Medicinal Plants Database of Bangladesh includes the authentic Taxonomic Information, Vernacular/Bangla Name, Tribal and English Name, Family, Description and Photograph of the Plants, Chemical Constituents, Uses and Distribution of the species in Bangladesh. MPBD also contain dictionary of Botanical and Pharmacological terms.
Bengali/Vernacular Name: Bala, Chelwa; Bola, Bhola (Sundarbans).
Description of the Plant:
A small evergreen tree with much spreading branches. Leaves 10-12.5 cm long, cordate, roundish-ovate, abruptly acuminate. Flowers large, in terminal racemes; corolla 5-7.5 cm across, pubescent outside, yellow in the morning, turning red in the afternoon, centre dark crimson. Capsule 12 mm across, globose, with short beak.
In Indo-China the leaves are considered laxative and resolvent. An infusion of the leaves is used to wash ulcers and wounds in Philippines. Young leaves and barks are used in treating skin disorders. Buds are used as a laxative in congestive chest, childbirth and dry throat in Hawaii. The flowers are used as an antifertility agent; boiled in milk they are used for the treatment of earache. In the Philippines the powdered bark is considered emetic (Yusuf et al. 2009).
The roots are febrifuge; employed in the preparation of embrocations. Extracts of aerial parts is hypoglycaemic (Asolkar et al., 1992).
Heartwood contains sesquiterpene, quinines, hibiscones A-D and hibiscoquinones. Root contains gossypol and mansonones (Asolkar et al., 1992). Gossypetin-3-glucoside (gossytrin) and 7-glucoside have been isolated from flowers (Rastogi & Mehrotra, 1990).
Occur in the tidal forests of coastal districts.