Kajubadam or Cashew nut (Anacardium occidentale, family: Anacardiaceae) is an evergreen medium-sized (30-40 feet) leafy tree with spreading branches. Stem is crooked. It is not indigenous in Bangladesh, though it has been planted in different parts of the country.
Other names: Kaju, Hijli badam.
Leaves are simple, green, 10-18 cm long and 6-10 cm wide, obovate, rough, entire, round at he end and narrow at the base. Flowers are small, yellowish brown, on terminal inflorescence. each cluster contains 400-1200 tiny flowers. Flower blooms in April-May.
Male and bisexual flowers can be seen in a tree. Fruits are born from the bisexual flowers. Fruit is nutty drupe, kidney-shaped, about 2.5 cm long, grey, with hard cover. Immatures fruits are green, turns yellow and red when ripe. Seeds are found naked below the hanging fruits. Propagation is caused by sees and air layering.
It is cultivated for its fruits. Ripe fruit is juicy and tastes good. It is commercially cultivated in India, East Africa, Brazil, Sri Lanka, Malaysia and Indonesia. However, the plant is brought by Portuguese in Indian subcontinent almost 400 years ago and they planted it on the shore of South India. Nut is nutritious, purgative and energizing. A kind of liquor is made from the fruit. Bark adhesive is used to pest eradication and to bind books. Ink can be made from this too. Seed oil is preventive of leprosy, worm and rheumatism.
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