Bangladesh is a rich land of biodiversity. About 6000 species of plants are gathered in such a small area of 147570 sq km.
I am trying to introduce the flora of Bangladesh in a pack from the naturalist view, not from the eye of plant-expert. For this, there will be some unwanted mistakes.
Needless to say, pics used in this site are all original and snapped by me. The information are gathered here from the personal notes, collected books and from different websites.
Punarnava, Red spiderling, Boerhavia diffusa
Punarnava or Red spiderling (Boerhavia diffusa, family: Nyctaginaceae) is a profusely branched flowering herb with creeping nature. This deep rooted glabrous herb is very widespread, and has become naturalized in the tropical and sub-tropical areas. The perennial is found everywhere in Bangladesh as weed.
Different parts of the plant are used in insomnia, strangury, cough, fever, asthma, worm and rheumatism. The plant work as diuretic and analgesic.
Common names: Red spiderling, Horse-purslane, Spreading hogweed, Tarvine.
Flowers are red, pink or white, small, on terminal inflorescence.
Leaves appear two in one node, one smaller than the other, upper surface green and lower surface whitish, long petioled. Thick leaves are 2-4 cm long, ovate or oblong-cordate, entire or sinuate.
Fruits are ovate, oblong, five-ribbed pubescent, viscid, glandular.
Propagation is caused by seed. Its main root is hard and remains alive to produce new plant in the following year.
The Sanskrit word 'Punarnava' means that which rejuvenates or renews the body in Ayurveda.
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
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
Bon-jui or Glory bower ( Volkameria inermis , Lamiaceae) is a semi-erect beautiful mangrove shrub, attaining a height of 3-4 m. The salt-tolerant plant's stem is woody. Yong shoots, petiols, leaf blades are usually glabrous but sometimes covered with minutely hairs. Its geographical extent is quite large. It can be found in the countries of East Asia as well as South and Southeast Asia. It can also be found in Australia and Pacific Islands, such as New Guinea too. In Bangladesh, the flowering plant is found standing beside the muddy, wet and saline soils of cannals and other waterbodies of mangrove forests or edge of mangrove forests. In the country, it has long been planted as an ornamental shrub along roadsides and road islans. In some places it is also used as a hedge in gardens. Other names: Koklota, Bakri, Batraj, Chitka bhat (Bang); Garden quinine, Seaside clerodendron. The shrub's richness is due to the leaves. These are quite beautiful. Leaf blades are entire