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: Kanchan, Devakanchan, Raktakanchan, Koiral.
English name: Butterfly tree, Geranium tree, Orchid tree.
Description of the plant:
BAUHINIA PURPUREA L. is a small to medium-sized evergreen to semi-evergreen tree. Leaves rather longer than broad, shallowly cordate, two-lobed. Flowers large, rosy-purple, in few flowered terminal and axillary, brown-tomentose corymbs. Petals oblanceolate, with a long claw, twice the calyx. Pods 15-25 cm long, ligulate, flat pointed.
The plant is used in dropsy, pain, rheumatism, thigh swelling, convulsion, delirium febris, Datura intoxication and blackness of lip or tongue. Bark acts as an astringent in diarrhoea; its decoction is used as a wash in ulcers. The roots are carminative and the flowers laxative.
Alcoholic extract of the leaves possesses moderate antibacterial and poor antifungal properties (Taniya, 2004).
The tree yields a gum (polysaccharides) and the bark contains large quantities of tannic acid, glucose and gum. Plant also contains 25.6% crude protein consisting of a large number of essential and other amino acids (Ghani, 2003). Flowers contain astragalin, isoquercitrin, quercetin, pelargonidin 3-glucoside and 3-triglucoside butein galactoside. Seeds yield alkaloids, trypsin and chymotrypsin inhibitors; also two chalcone glycosides (Asolkar et al., 1992).
Commonly planted as an ornamental plant.