Jhanjhi or Water thyme (Hydrilla verticillata, Hydrocharitaceae) is many branched submerged herb with slender stem. The aquatic plant is treated as weed to paddy field in Bangladesh. It is found abundantly in river, haor, canal, beel-jheel and pond in the country.
Other Bangla names: Kureli, Kanjal, Kerola, Chingri-dol, Kutkute jhanjhi.
Leaves are green, linear, sometimes having reddish dots or dashes on them, .5-2 cm long, serrate, pointed apex, sessile. Male spathe axillary in one or all leaves of a whorl. Male flowers born in spathe in single.
Flowers can be seen floating in the water when released from the spathe; perianth reddish white. Female spathe with apex, shortly bidentate, perianth slender, long, tubular. Flowering occurs in winter.
Fruit is echinate, smooth or soft. Seeds 2-6, ellipsoid, glabrous, dark brown. The plant is propagated by seeds. It is found in South and Southeast Asia, East Europe, Africa and Australia too.
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
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
Holud hurhuri or Asian spider flower ( Cleome viscosa , family: Cleomaceae) is a small-sized annual herb with branches, up to 1 mm in height. The herb is native to tropical Africa, tropical Australia, Malaysia and South Arabia. It has become introduced in South Asia. Common names: Holud hurhuri, Asian spider flower, Dog mustard, Yellow Spider Flower, Wild mustard, Sticky cleome. Leaves are palmately compound, leaflets 3-5, odorous, glandular, hairy, viscose, elliptical-ovate, 1-4 cm long. Flowers are pale yellow, on axillary raceme. Sepals 4, 3-6 mm long, hairy and glandular, petals 4 and 8-15 mm long, stamens numerous and 4-8 mm long. The plant produces flower from January t o June. Fruit is 4-7 mm long, viscose and hairy; seed dark brown to black. Leaves are used in paratyphoid, dysentery, bronchitis, gonorrhea, ear-sore and external application to wounds and ulcers. The seeds are anthelmintic and carminative and are used in arthritis, piles, wor