Shaluk or Blue water lily (Nymphaea nouchali, family: Nymphaceae) is an aquatic plant grows from underwater soil. The plant is found in ponds, canals, beels and jheels everywhere in Bangladesh along with White water lily, Keshordam, Water spinach, Bladderwort and other aquatic plants.
Leaves are shiny green, purplish or reddish beneath, round or ovate, irregularly serrated, 15-32 cm long and 10-25 cm wide, floating on water. The length of petiole and pedicel increases with the rise of water level.
Flower is purplish and slightly scented. Petals 10-30, oblong to oblong-lanceolate, acute, arranged in three layers. Stamens numerous, 10-50, yellow in color. Petiole is 20-150 cm long. Sepals usually green, sometimes dull red, often marked with darker dots and lines. The flower is little bit smaller than Shapla, Water lily. Flower blooms at night. It remains open till noon. Flowering occurs in the rainy season to late autumn (July to November).
Fruit a spongy berry, 4.5 in diameter, ripening under water enclosed by persistent sepals. The propagation of the plant is caused by seeds and by bulb. It is also found in East Africa and South and Southeast Asia. As an ornamental plant it is planted in the water tanks and lakes in parks and gardens in Bangladesh. The Blue water lily is the national flower of Sri Lanka.
Other Bangla names: Kumud, Shundi, Nilkomol, Nil shapla, Nil poddo, Nil kombol.
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
Lal shonail or Pink shower ( Cassia javanica , family: Fabaceae) is a medium-sized deciduous tree with knotted and shortened trunk, attaining a height of 12-16 m. Bark is grey. Young shoots are silky. Its spreading branches sometimes almost touch the ground towards the peripherry. It is an ideal tree for planting in a large garden. It is found in the hilly forests of Sylhet and Chattogram in Bangladesh. As a beautiful ornamental tree, it is planted in parks, botanical gardens, gardens and roadsides in the country. It is also found in various tropical countries of Asia. At the beginning of summer, the canopy of the tree is covered with flowers in such a way that it looks as if a pink fountain is waiting to fall. In order to get colorful colors in summer, you have to plant this tree in the garden with Jarul , Krishnochura , Shonalu and Konokchura . Leaves are spectacular. These are compound, 12-24; leaflets elliptic-oblong, 2.5-4.5 cm and 2-3.5 cm wide. Flowers are scented, pink
Kulekhara or Talmakhna ( Hygrophila auriculata , family: Acanthaceae) is a stout and erect herb with straight and undivided stem. The spiny plant is very popular as a medicinal plant in Bangladesh as well as the Indian subcontinent. Other names: Kulekkha, Kuiley-rekha, Kanta kalika, Shoolmordon. Leaves are lanceolate, subsessile, acute at both ends with long whitish hairs, dense with straight and stout thorns that grow from each node. Outer leaves are longer than the inner ones. Both leaves and thorns remain in upward direction. Flowers in axillary whorls. They are bright violet or bluish purple and red, sometimes whitish with soft and minor hair, corolla 2-lipped. Flower blooms in the winter. Fruit a capsule, 4-8-seeded. Seeds are ovoid (not in the pic). The body of the plant contains alkaloids, phytosterols, stigmasterol, lupeol and essential oils. Its seeds contain oil, enzymes and sterols. The plant is cooling and diuretic in cases of h