Bangladesh is a rich land of biodiversity. About 6000 species of plants are gathered in such a small area of 147570 sq km.
I am trying to introduce the flora of Bangladesh in a pack from the naturalist view, not from the eye of plant-expert. For this, there will be some unwanted mistakes.
Needless to say, pics used in this site are all original and snapped by me. The information are gathered here from the personal notes, collected books and from different websites.
Danda-kolosh, Shetodron, Leucas aspera
Danda-kolosh or Shetodron (Leucas aspera, family: Lamiaceae) is an annual herb with soft, hairy and qudrangular stem. The weed is found in South and Southeast Asia. It prefers dry, open and sandy soil. The under-shrub can reach a height of 30-50 cm.
Other local names: Dolkolosh, Julfi, Holkosha, Debdron.
Flowers rise from axillary whorls are pure white, small and showy. Petals 5, sepals 5, bilabiate. It blooms in March-April mainly. Flower contains nectar.
Leaves are short petioled, entire, oblong-lanceolate, taper at the base; 6-8 cm long and 1-2 cm wide.
In Sanskrit, it is called 'Dronapushpi'.
Oblong fruits are nutlets, brown in color; 2-3 mm long. Propagation of the plant is caused by seeds.
The plant is full of medicinal qualities. Whole plant is used to prepare medicine, which is effective in cold and headache. The leaves contain antibacterial elements. It is used to cure psoriasis and scabies. Those are eaten as vegetable somewhere.
Buddho narikel or Buddha coconut ( Pterygota alata , family: Sterculiaceae) is a large erect tree with branches, reaching up to 50 m in height. Trunk is huge and stout. Bark is smooth and grey in color. The deciduous mighty tree is found in the hilly forests of Chittagong and Chittagong Hill Tracts and Sylhet of Bangladesh. The tree is also found in South India, Sikkim and Andaman Islands. In Bangladesh it is planted in parks and botanical gardens as an ornamental plant. Leaves are dark green, big, cordate, glabrous, 10-25 cm long and 7-20 cm wide, alternate; long-petioled: 10-14 cm long. Midrib and veins are clearly visible. Flowers are reddish inside, outside brownish yellow, scented, petals 5. It produces flowers in spring. Fruit is big, round, hard, dehiscent, dark brown in color. Seeds are winged, numerous. Fruit pulp tastes almost like Coconut. The native plant is propagated by seeds. Seed is edible too. It can be taken after frying. A
Guloncho or Heart-leaved moonseed ( Tinospora cordifolia , family: Menispermaceae) is a deciduous creeper with hard and long stem, climbing other trees or fences. Bark on the stem is as thin as paper. Aerial roots come out of the stem when the plant grows older. The plant is found everywhere in Bangladesh except southern part. It is also native to South and Southeast Asia. Common names: Heart-leaved moonseed, Guduchi, Giloy, Guloncho, Guroncho, Padma guloncho. Leaves are simple, green, alternate, cordate, 6-15 cm long and 5-13 cm wide. Inflorescence, growing from the axil of leaflet branches, bears yellow flowers. Male and female flowers bloom separately. Sepals 6, arranged in two rows, petal 6, pistils 3. Fruit is a drupe, brilliant red when ripe. This attractive fruit is inedible to human. What an extensive climber! Tinospora cordifolia is used in weakness, tastelessness, rheumatis
Lal shonail or Pink shower ( Cassia javanica , family: Fabaceae) is a medium-sized deciduous tree with knotted and shortened trunk, attaining a height of 12-16 m. Bark is grey. Young shoots are silky. Its spreading branches sometimes almost touch the ground towards the peripherry. It is an ideal tree for planting in a large garden. It is found in the hilly forests of Sylhet and Chattogram in Bangladesh. As a beautiful ornamental tree, it is planted in parks, botanical gardens, gardens and roadsides in the country. It is also found in various tropical countries of Asia. At the beginning of summer, the canopy of the tree is covered with flowers in such a way that it looks as if a pink fountain is waiting to fall. In order to get colorful colors in summer, you have to plant this tree in the garden with Jarul , Krishnochura , Shonalu and Konokchura . Leaves are spectacular. These are compound, 12-24; leaflets elliptic-oblong, 2.5-4.5 cm and 2-3.5 cm wide. Flowers are scented, pink