Boga or White tephrosia (Tephrosia candida, Fabaceae) is an erect shrub with branches attaining a height of 4 m. Upright branches grow from the stem base. Woody stem is velvety, greyish. In Bangladesh, it is found in the tea gardens of Moulovibazar and in parks and botanical gardens.
Other names: Medla, Bogui.
Leaves are pale green, compound, pinnate; leaflets 9-11 pairs, opposite.
Flowers are borne in terminal or axillary Inflorescences, 20-40 cm long. Flowers are are brilliant white, sometimes yellow or pink; petals clawed, round, wings ovate, sightly adnate, 2-2.5 cm long and 1 cm wide. Calix is bell-shaped. Flowering season is autumn. The species name 'Candida' is kept due to its pure white-colored flowers.
Fruits are like beans, linear, covered with brown hair, 8-15 cm long and 1 cm wide; dehiscent, 8-15-seeded. Flowers and fruits can be seen at a time. Propagation is caused by seeds.
Leaves are used for relief from cough and asthma. Seeds contain rutin, rotanone, source of potent insecticide. It helps to increase fertility of soil. Leaves are very useful as fodder. Leaves, bark and roots are used as insecticide and fish poison.
The shrub is found in India, Bhutan, Nepal, Myanmar, China, Malesia, New Zealand, West Indies and Hawaii islands. Although it is a beautiful white flowering plant, its popularity has not increased in our country yet.
Til or Sesame ( Sesamum indicum , family: Pedaliaceae) is an annual herb with hollow stem and branches attaining a height of 50 to 100 cm. Sesame or Til seed is one of the oldest oil-seed crops o f t h e w o r l d. The plant is originated in Africa. It is cultivated as crop throughout the tropical world. Leaves are opposite, broad lanceolate, dark green, 4- 14 cm long with an entire margin . Flower is hairy, white or light pink, borne on leaf axil; 3-5 cm long with a four-lobed mouth. In Bangladesh, i t blooms generally in April-May. Sesame fruit is a rectangular capsule, 2-7 cm long, covered with tiny soft hair . Tiler khaja, a type of sweetened food made from sesame seed is very popular in Bangladesh. Propagation of the plant is caused by seeds. Seeds are usually off-white in c o l o r. Sesame is energizing, carminative and diuretic. It increases breast milk and sperms in male. It has been found useful in dyspepsia a
Shimul or Red silk-cotton ( Bombax ceiba , family: Malvaceae) is one of the most common trees that found in Bangladesh. This deciduous straight tall tree with thorny trunk and spreading crown is also found in tropical regions of Asia. In Bangladesh, the tree is planted in parks and on highways and beside national monuments for its gorgeous fire-red flowers. It can reach a height up to 60 m. Common names: Shimul, Red silk-cotton, Red cotton tree. Leaves are large, spreading, glabrous, digitate, leaflets lanceolate, entire, 10-15 cm long; petiole is up to 20 cm long. It blooms in spring (March-April). Flowers red, numerous, appearing when the tree is bare of leaves, stamens numerous arranged in five outer bundles and one middle bundle. Fruit capsules, woody valves. 10-13 cm in length. Seeds smooth, black or grey embedded in long white wool. Oh! the flame of the forest! Young plant is used in dysentery, cough, plethora, malnutrition and sexu
Durba-ghash or Bermuda grass ( Cynodon dactylon , family: Gramineae) is a perennial grass with cylindrical nodes and internodes. It creeps on ground by creating roots from nodes of stem. Stem (up to 45 cm long) is usually green, sometimes reddish. The creeping herb is a traditional medicinal plant of the Indian subcontinent. It is found all over the country as a crop weed. It is also found in South and Southeast Asia and The tropical region of Africa. Although its roots do not go deep into the soil, it retains the soil quite well. Otherwise, in a rainy country like ours, it would have been impossible to prevent soil erosion. Leaves are narrow or linear with pointed tip, pale green, minutly hairy, 2-8 cm long. The leaf ligules are covered with thin white hairs. Inflorescence is brownish green, divided in to 5 parts, each part 2-5 cm long. Flowering occurs almost round the year. It is propagated by seeds, rhyzome and stolon. The plant contains triterpe