Daadmordon or Ringworm bush (Senna alata, family: Caesalpiniaceae) is a tall erect shrub, attaining a height of 2.5 m. Stem is thick and yellowish. It is native to the West Indian Islands. From there it came to the country through the Portuguese. It is found in fallow lands and beside roads in Bangladesh. It is also found in the tropical areas round the world. The plant is unique to bring the royal splendor of yellow color to gardens.
As an ornamental plant it is planted in gardens and parks. The bushy shrub is a very popular medicinal plant in the country as well as Indian subcontinent.
Leaves compound, 25-60 m long, leaflets 6-10 pairs, oblong, opposite, 6-10 cm long 4-5 cm wide, sometimes slightly orcordate at the tip, sessile.
Flowers are borne on upward terminal raceme, from bottom to top, 15-20 cm long. Flowers are brilliant yellow with brownish shade, 2-5 cm wide, petals 5, several different-sized stamens in the middle. Flowers remain covered with yellow bracts. Flowers bloom in autumn to winter.
Fruit is a pod, quadrangular, 10-20 cm long, blackish brown when ripe. Seeds are ovoid, toothed.
The plant is propagated by seeds. Its leaves are used in common cold, bronchitis, ringworm and skin diseases. It is also used in snake poison and fish poison.
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