Dhutra or Thorn apple (Datura metel, family: Solanaceae) is an an erect and stout herb with branches, attaining a height 1-1.5 m. The stem is hollow, green with strong odor. It is native to Bangladesh as well as Indian sub-continent, East African area and some Oceanic islands. In Bangladesh it grows everywhere and planted as an ornamental plant.
Leaves are simple, alternate, ovate, glabrous, 7-15 cm long and 5 cm wide, apex acute. Petiole 5-7 cm long. Fragrant flowers are solitary, single or double, large, greenish-white, funnel-shaped, bisexual, sepals 5, petals 5. Flower blooms mainly in summer.
Fruit is globose, pale green and spiny. The plant is propagated by seeds.
Common names: Dhatura, Dhutra, Thorn apple, Devil's trumpet, Cornucopia.
A variety of datura metel is also found in Bangladesh─Black datura (datura metel fastuosa) with double or triple corolla. Flowers are deep purple in color.