Chakunda or Sickle senna (Senna tora, family: Caesalpiniaceae) is an annual erect herb with branches, attaining a height of 1-1.5 m. Stem is hairless, slender or angular. Though the upperside of the stem is smoothless and has linear marks and somewhat odorous. It is a common herb in Bangladesh, found beside road, in fallow land, cropfield and waterside area. Sometimes it is found standing in water also. It is also found in the countries of South and Southeast Asia.
Other names: Kalkasham, Teraj, Eraj, Eraich, Gol eski, Choto kolkashundey (Though Senna sophera is also called by the same name by folks of the country).
The leaves look a lot like Dadmordon (Senna alata) but much smaller in size. These are compound, leaflet 3 pairs at the end of long pinnae, last pair is larger than others. Leaflet is obovate, 2.5-5 cm long and 1.5-2.5 cm wide with soft hairs, petioled, opposite.
Flowers are yellow and borne in pair at leaf axil, 1.5 cm wide. Petals 5, sepals 5. Flowering occurs in May-July. Propagation of the plant is caused by seeds.
Fruit is a pod, 10-30 cm, tip pointed, Seeds are rectangular, shiny and brown in color.
The plant is useful in migraine, asthma, worm infection, insect bite and skin diseases. Seeds are used as the substitute of Coffee.
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