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.
Synonyms: T. gallica Dyer. (non L.), T. troupii Hole.
Bengali/Vernacular Name: Jaora, Charmau, Ban Jhau, Jhav, Jhau.
English Name: Manna.
Description of the Plant:
A shrub or small evergreen tree, with slender erect or pendulous branches. Leaves 2.5-4 mm long, subulate-acute from a triangular semi-amplexicaul base. Flowers hermaphrodite, numerous, crowded, in slender lateral and terminal, panicled spike-like racemes. Petals oblong, rounded and often notched at the top, pink. Capsule about 4 mm long, conical, somewhat trigonous, pale pink.
Galls are astringent, given internally in dysentery and diarrhoea, A strong decoction of gall is recommended for foul and sloughing ulcers; infusion is used as a gargle for sore throat. Powdered galls mixed with oil or vaseline is used in ulcerating piles and anal fissures. As a mild purgative, decoction of the gall is suitable for children, as it causes soft motion without irritation of bowels. The twigs and leaves are vulnerary; their ash is carminative, diuretic, hepatoprotective, resolvent of the hepatic and splenic inflammations. It enters in British pharmacopoeia for their highest containing tannic acid.
Galls contain as much as 40% tannic acid (Chopra et al., 1992). Leaves contain kaempferide, rhamnetin, polyphenols and flavanols. They also contain (+)-hentriacontan-7-ol, hentriacont-7-ene, tricontyldocosanoate, octacosanol and β-sitosterol. Whitish excretion of the aerial parts consists mainly of CaSO4, Na2SO4 and traces of NaCl (Ghani, 2003). 3,3´-Dimethyl ether of ellagic acid has been isolated from roots. Plant also contains glycoside tamarixin (Rastogi & Mehrotra, 1990).
Near rivers and sea cost.