Boro kolkashundey or Western senna (Senna occidentalis, family: Fabaceae) is an erect annual or sometimes perennial herb, attaining a height of 1-2 m. Stem and branches are usually reddish and are angular with linear mark. In Bangladesh it grows on fallow land, along roadsides and around the railways. As an ornamental plant it can be planted in gardens and parks.
Other names: Boro halkishunda, Tuli-koroi.
Leaves are compound, paripinnate, leaflet 3-8 pairs, elliptic-lanceolate, 3-10 cm long and 2-4 cm wide, green with reddish midrib, soft hairs and pointed tip. A pungent odor comes out when the leaves are crushed.
Flowers are bright yellow, raceme, arising at the leaf axil, 3 cm wide, short peduncled, a few together or a pair. Sepals 5, petals 5. It blooms mainly in May-July. Full blooming flowers can be seen in the morning.
Fruits are pods, quite long, 8-14 cm long, tip blunted, 4-5 together, minutely hairy, dehiscent. Seeds 25-30. Flowers and fruits can be seen at a time in different plant. Propagation is caused by seeds.
Its leaves, roots and seeds are used as purgative and uretic. It is useful in dyspepsia, cough, worm infection and breathing problem. Leaves are recommended in leprosy, itching, scabies and other skin diseases.
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
Makal or Mahakal ( Trichosanthes tricuspidata , family: Cucurbitaceae) is a woody climber with tendril and branches, attaining a height of 10-12 m. The multiangular-branched plant climbs up very far by holding any tree in the forest. It is found in the hilly areas as well as plain forests and village thickets in Bangladesh. It is also found in Indian subcontinent, Australia and some countries of South and Southeast Asia. According to ancient Sanskrit scriptures the other names of the plant are Bishala, Mohendro-baruni. In the Himalayas it has been seen at an altitude of 5000 feet. There are many refferences to the fruit in Bangla and Sanskrit literature. Someone is very nice to look at but he/she is useless--writers usually jokingly give examples of this fruit. Its roots and attractive fruits are packed with medicinal properties. The size and shape of leaves may vary. These are multilobed or trilobed, alternate, rough in both sides, 5-12 cm long, petioled, cor
Jongli badam or Bastard poon tree ( Sterculia foetida , family: Sterculuaceae) is a large deciduous tree, up to 20 m in height, with branches arranged in whorls and spreading horizontally. Trunk is robust and straight. There are eye-like glands on the grey-colored bark. The tree has some resembles with Shimul . The children are in the womb! Leaves are digitately compound, leaflets 5-8, crowded at the end of branches, elliptic-lanceolate, tip elongated, acuminate, 10-18 cm long and 4-5 cm wide, petiole is very long, about 20 cm, though the length of leaflets are very short, almost sessile. Flowers are red-yellow or light purple, borne on a axillary panicles. Sepals 5. Flowers bloom is the end of winter or in spring. Although the flowers are beautiful but those have a very unpleasant odour. For this reason, the species have been named foetida