Synonyms: Datura fastuosa L., Datura alba Nees.
Family: Solanaceae - Potato family
Duration: Annual, Perennial
Growth Habit: Shrub
Bangla/Vernacular Name: Dhutra, Dhutura
Tribal Name: Dhutura (Tanchangya)
English Name: Datura, Thorn-apple
An erect shrub; branches spreading. Leaves simple, broadly ovate, shallowly lobed, glabrous. Flowers purple, solitary. Capsule covered with short spines.
Principal constituents of the plant are a large number of tropane alkaloids including hyoscyamine, hyoscine, littorine, acetoxytropine, valtropine, fastusine, fastusinine, a number of withanolides and various tigloyl esters of tropine and pseudotropine. Fruit pericarp contains ß-sitosterol, triterpene, daturanolone and daturadiol. Seeds contain, daturanolone and fastusic acid in addition to the tropane alkaloids.
Calystegines, the nortropane alkaloids with glycosidase inhibitory activity, have also been found in various Datura species (Ghani, 2003). Root contains 3a, 6ß-Ditigloyloxytropane, 3a, 6ß-ditigloyloxytropan-7ß-ol, tigloidine, apohyoscine, hyoscine, 3a-tigloyloxytropane, norhyoscine, meteloidine, hyoscyamine, cuscohygrine and tropine (Rastogi & Mehrotra, 1993).
Datura metel L.
All over Bangladesh in road sides and other fallow lands.