Tectona grandis L.f.
| Synonym : | Jatus grandis (L.f.) Kuntze Tectona theca Lour. Theka grandis (L.f.) Lam. |
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| Bangla Name : | Segun, Sakan (Chakma). |
| English Name : | Teak |
| Family : | Verbenaceae |
| Disease : | piles,leucoderma ,dysentery,eczema ,ringworm,bronchitis. |
| Description : | A large deciduous tree, with fluted trunk. Leaves opposite, 30-75 cm long, broadly elliptic or obovate, acuminate, cuneate at base, rough. Flowers small, 6 mm across, white in large erect, terminal cymose panicles, 0.3-0.9 m long. Fruit a sub-globose drupe, 1.3 cm diam., the pericarp soft with dense felted stellate hair, endocarp bony. |
| Distribution : | Planted throughout the country. |
| Chemical Constituents : | Wood contains a resin, a little essential oil, fatty oil, fatty acids (stearic, palmatic, oleic and linoleic acids) and a quinine-like substance, tectoquinine(2-methylanthra-quinone). It also contains anthraquinones, naphthaquinones, quinones, different f |
| Uses : | The wood is laxative, anthelmintic and expectorant, useful in piles, leucoderma and dysentery. Paste of the wood is a local refrigerant and sedative, astringent, hepatic stimulant and diuretic. Powder of wood is said to be allaying skin inflammations. Oil |
| Habit : | Tree |