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Khudi pana or Minute duckweed, Lemna perpusilla

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Khudi pana  or  Minute duckweed  ( Lemna perpusilla , family: Araceae) is a free floating aquatic herb with cylindrical root sheath, found in pond, beel-jheel, ditches, cannals as well as all stagnant water bodies in Bangladesh. The flowering plant can be found in almost all parts of the world except deserts and polar regions. Other name : Kuti pana The leaves or fronds are ovate-obovate, green in color, ‍slightly slippery, asymmetric, blunt or acute at the both ends, each has single root. It propagates through buds. Flowers of the perennial are not often seen. Spadix inflorescence consists of 2 male and 1 female flowers. Fruit is asymmertric, ellipsoid. Seed has many longitudinal ribs.  It is used as poultry food. It is also a favorite food of fish. The interesting fact is, it keeps the water clean. The presence of this beautiful herb will enhance the beauty of the aquatic garden, no doubt. In many countries it is considered as weed of crop land.

Tokma or Pignut, Hyptis suaveolens

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Tokma or Pignut ( Hyptis suaveolens , family: Lamiaceae) is an annual herb with woody stem and profuse branches, attaining a height of 2 m. The whole body of the plant is filled with strong odor and minute hairs. It smells like Tulsi and is called Gonga tulsi or Bilati tulsi. The stem and branches are usually round but quadrangular when young. It is easily identifiable for its many characteristics.  Other names:  Tokmari, Gonga tulsi, Bilati tulsi; Chonga dana (Chakma).  The plant is not indigenous, but it has adapted very well to the country's condition. That is why it is found in the hilly area, as well as in fallow lands and along roadsides of the plains. The plant is indigenous to tropical America. Leaves are odorous, hairy, giving a velvety feel. The size and shape of the leaves vary. Its shape can be round, but most of the time it is quite triangular with cordial base; 2-12 cm long and 2-8 cm wide, with deep and irregularly toothed edges. Petiole is long.  Flowers are tiny,

Khet papra or Carpet-weed, Mollugo pentaphylla

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Khet papra or Carpet-weed ( Mollugo pentaphylla , family: Molluginaceae) is an annual herb with profuse branches, of about 30 cm height. It likes to lie on the ground after getting a little bigger in size. Its branches are usually smooth but occasionally hairy. Leaves are linear-oblong, 1-2 cm long. As a very common plant it is found in abundance in fallow lands, land isles and gardens in Bangladesh. It is also found in the South Asian countries. Flowers are tiny, pure white on umbel inflorescence, sepals 4, petals 4. Flower blooms in January-February. Fruit is round. When the fruit ripens, it looks a lot like Coriander. Fruiting and flowering occurs from monsoon to winter. Propagation of the plant is caused by seeds.  It is used to purify blood, relieve pain, quench thirst, destroy worm and eradicate cough and cold. It is also stomachic. It is eaten as vegetable somewhere.

Badur phul, Black bat flower, Tacca chantrieri

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Have you ever heard that flowers are ever black? Yes! However, it is not absolutely black, but from a distance it will seem black to you. Now let's get acquainted with the strange flower and the plant itself. Badur phul or Black bat flower (Tacca chantrieri, family: Taccaceae) is a perinnal rhizomatous herb, with very unusal black-colored and extraordinary shape of flowers, attaining a height of 60-70 cm. It is found in the hilly forests of Moulovibazar, Bandarban and Khagrachari in Bangladesh. In the wild, it can be seen growing on the slopes of the mountains under giant trees. It is also found in some tropical and subtropical countries of Southeast Asia.  Leaves are beautiful. These are large, pale green, wavy, clustered; petiole long. Flower is beautiful with exceptional shape. It is deepest purple or dark maroon with deep violet bracts, borne at the top of long peduncle. Stamens are basipetal and 30 cm long. It produces flowers almost all the year round. Each flower lasts for 5