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. 

Trumpet vine ( C ampsis grandiflora , family: Bignoniaceae) is one of the most beautiful flowering climbers in the world. The woody deciduous climber from tropical America is very very favourite to amateur gardeners of the tropical world. Leaves are opposite, deep green, pinnate. Leaflet 7-9, terminal one present, dented, 3-5 cm long, veins are clearly visible. It blooms profusely from the summer to rainy season. The flowers can be seen easily by its gorgeous big showy clusters. Flowers are big in size, orange-colored, funnel-shaped; petals 5. A blooming flower is 4-5 cm across. Propagation of the plant is caused by cutting or sucker. It is grown as ornamental plant in Bangladesh. It can be seen in parks and roadside areas. The vine itself a attractive one.

Although Olokanonda or Allamanda  ( A llamanda cathartica,  family: Apocynaceae) looks like a vine but it is clearly a shrub. The semi woody stem is slender. It's original home is Brazil.  The flowering shrub's branches are narrow. Four leaves arise from each node. Flowers bloom in plenty during the summer and it continues till the rainy season. Vivid yellow and funnel-shaped flowers are 5-lobed. The attractive flower, though scentless, is very favourite to the amateur gardeners throughout the tropical world.  Leaves are lanceolate, tip acute, 7-11 cm long & 3-5 cm broad; midrib hairy.  The beauty of color contrast! Elegant flowers are very showy.  Propagation of the beautiful shrub is caused by cuttings.  The vine-like shrub can grow well under the open sun. If you expect more flowers from your plant then trim it after each bloom.