Flora of Bangladesh

Gogon sirish ( Albizia richardiana , family: Leguminosae) is a large-sized fast growing deciduous tree with cylindrical stem, dichotomously divided branches and smooth whitish brown bark.  The plant is one of the most spectacular trees of the tropical world.  It is widely planted as an avenue tree in Dhaka, the capital city of Bangladesh.  Other local names : Rajkoroi, Bahari koroi. Leaves are compound, bipinnate, rachis about 12 cm long, pinnae 8-14 pairs, each 4-7 cm long; leaflets 50-100 pairs per pinnae, sessile, feathery, linear-oblong, small.  Flowers are sessile, small, greenish white, numerous, clustered on round head. Flower comes in the rainy season.  Fruit is long, thin, flat, whitish brown, 9-13 cm long and 2-3 cm wide. Each fruit contains 8-12 seeds. The plant is propagated by seeds.  The tree with nice canopy can be attained up to 30-40 meters high. For its royal beauty, it is planted in park, garden, ope...

Radhachura or   Peacock flower  ( Caesalpinia pulcherrima , family: Leguminosae) is a small-sized thorny shrub attaining a height of 4-5 m. The plant is originally of America. It has become naturalized throughout the tropical world for its beautiful flowers. Common names:  Peacock flower, Red bird of paradise. Leaves are compound, bipinnate, small linear leaflets arranged on both sides of pinnae.  On individual shrub, there are two colors of flowers─one is orange-yellow, another is complete yellow. Flower blooms round the year. Flowers are small, borne on terminal raceme. Sepals 5, petals 5. Pedicel and stamens are prominently long. Fruit is 7-10 cm long. Bark, flower and seeds are used in piles, tumor, nausea, fever, worm and menstrual disorder.