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.
Guloncho or Heart-leaved moonseed ( Tinospora cordifolia , family: Menispermaceae) is a deciduous creeper with hard and long stem, climbing other trees or fences. Bark on the stem is as thin as paper. Aerial roots come out of the stem when the plant grows older. The plant is found everywhere in Bangladesh except southern part. It is also native to South and Southeast Asia. Common names: Heart-leaved moonseed, Guduchi, Giloy, Guloncho, Guroncho, Padma guloncho. Leaves are simple, green, alternate, cordate, 6-15 cm long and 5-13 cm wide. Inflorescence, growing from the axil of leaflet branches, bears yellow flowers. Male and female flowers bloom separately. Sepals 6, arranged in two rows, petal 6, pistils 3. Fruit is a drupe, brilliant red when ripe. This attractive fruit is inedible to human. What an extensive climber! Tinospora cordifolia is used in weakness, tastelessness, rheumatis
Deua or Monkey jack ( Artocarpus lacucha , family: Moraceae) a large tree with large spreading crown, of 12-18 m height. The bark of the deciduous tree is grey and coarse. The type of its fruit reminds us of Jackfruit . It is found in South and Southeast Asia. It is one of the most common trees found in Bangladesh. Other names: Delo madar, deyphol, Deuphol, Dehua, Deua cham, Barta, Dalo, Bon kathal. Leaves are broadly elliptic, entire, rough, brittle, 10-30 cm long and 10-18 cm wide, undulate, back hairy, leathery. Flowers are small, without petals. Male and female flowers grow on the same inflorescence. Female inflorescence has pedicel, though the male one has none. The fruits come from the female flowers. Fruit is a syncarp (multiple fruit, which is fleshy), wavy, velvety, bright yellow or orange when ripe, 5-10 cm in diameter. The fruit is sour-tasted but also somewhat sweet. It is eaten raw or pickled. Seed is oblong and white in color. The pl
Kolmi-lota or Water spinach (I pomoea aquatica , family: Convolvulaceae) is an annual floating herb from Morning glory family. It is found throughout the tropical and subtropical regions of the world, most commonly in East, South and Southeast Asia. Stem is soft and creeping nature. It grows in water or on the edge of water bodies. Common names: Kalmilata, Water spinach, River spinach, Water morning glory, Water convolvulus, Swamp cabbage The hollow stems of ipomoea aquatica are 2-5 meters or more long, rooting at the nodes. Leaves are long-petioled, green, ovate-cordate with pointed apex, 5-15 cm long and 2-8 cm wide , alternate. Flowers are whitish-violet or white, showy, single, axillary, funnel-shaped, 3-5 cm in diameter. Flower bloom s mainly in autumn. Propagation is either by planting cuttings of the stem shoots that will root along nodes or planting the seeds from flowers that produce seed pods. It is useful in pox and in