Flora of Bangladesh

Kathali-chapa or Climbing lang lang ( Artabotrys hexapetalus,  family : Annonaceae) is a bushy shrub, native to South and Southeast Asia. Its stem is woody. Immatured flowers are whitish green, matured are deep yellow in color; petals 6, leathery, open. Calyx is curved, like a hook.  Leaves are alternate, shiny green, oblong-lanceolate, 5-14 cm long, 2-5 cm wide. Propagation is caused by cutting and seed. Group of fruits (usually 6) grow together at the end of long peduncle. Fruits are ovoid, smooth, pointed at the end, 2.5-4 cm long. Flowers are well scented. They scented like ripe Jackfruit. In Bangla, the flower is named after this reason.  Flower blooms from summer to rainy season. 

Debdaru (polyalthia longifolia, family: annonaceae) is an evergreen tree with straight trunk, horizontal branches, smooth and dark bark. It can get a height up to 90 m.   Common names: Debdaru, Indian fir tree. The beautiful tree is native to Indian subcontinent.  Leaves are glossy green, about 5-20 cm long, lanceolate, with wavy edges.  The tree is covered with inconspicuous, yellowish green and closely compacted flowers in the spring. It blooms in April. Immature fruits are green and when ripe they are deep purple or black.  The three stages of the fruits.  Wood is aromatic and used to cure burning, piles, urinary problem. Oil extracted from seeds is used in leprosy and other skin diseases. Its seeds and bark are used in fever.  It can reduce noise pollution and can increase the beauty of a road. For this it is commonly planted in Bangladesh.  Its timber is light yellow an...