Koinari or Golden gardenia, Gardenia coronaria

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Koinari or Golden gardenia (Gardenia coronaria, family: Rubiaceae) is a medium-sized deciduous tree with profuse branches at the top. The tree can get a height of  12-15 m. It is found in the hilly areas of Sylhet, Chottogram and Chottogram Hill Tracts of Bangladesh. 


Leaves are simple, glossy green, oblong-lanceolate, 10-20 cm long, short-petioled, 3-5 opposite leaves at the top of the branchlets. Veins and midrib are stout in texture.


Flowers are yellow, very fragrant, showy, 5-7 cm across, petals 5, having long tube, calyx tubular too. Flower blooms at the spring.


Fruit appears single or in a pair, 2-5 cm long, 5-angled.


The plant is propagated by seeds. The tree, despite being quite beautiful not so popular in our country. Its wood is used as firewood. The inside of the fruit is eaten by the children.


It is found abundantly in India and Myanmar. It is grown in the parks and botanical gardens in the country.  

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Shimul or Red silk-cotton, Bombax ceiba

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Shimul or  Red silk-cotton   ( Bombax ceiba , family: Malvaceae) is one of the most common trees that found in Bangladesh. This deciduous straight tall tree with thorny trunk and spreading crown is also found in tropical regions of Asia. In Bangladesh, the tree is planted in parks and on highways and beside national monuments for its gorgeous fire-red flowers. It can reach a height up to 60 m. Common names: Shimul, Red silk-cotton, Red cotton tree. Leaves are large, spreading, glabrous, digitate, leaflets lanceolate, entire, 10-15 cm long; petiole is up to 20 cm long.  It blooms in spring (March-April).  Flowers red, numerous, appearing when the tree is bare of leaves, stamens numerous arranged in five outer bundles and one middle bundle.  Fruit capsules, woody valves. 10-13 cm in length. Seeds smooth, black or grey embedded in long white wool. Oh! the flame of the forest! Young plant is used in dysentery, cough, plethor...
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