Bangladesh is a rich land of biodiversity. About 6000 species of plants are gathered in such a small area of 147570 sq km.
We are 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. The information is gathered here from the personal notes, collected books and from different websites.
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Akondo, Crown flower, calotropis gigantea
Akondo or Crown flower (calotropis gigantea, family: apocynaceae) is a perennial shrub with branches, attaining a height of 4 m. The stem is slightly wooody and much branched at the base. Bark is grey. Young shoots and lower part of leaves are tomentose. The plant is an iconic one in the rural areas in Bangladesh.
Branches and leaves emit milk when snapped. Leaves are whitish green, leathery, short-petioled or sessile, broadly ovate, 10-20 cm long and 6-12 cm wide.
Flowers are light violet with white shade. Sepals 5, petals 5. Flowers are seen round the year but during the summer it blooms abundantly. Penduncle 6-10 cm long. Corolla glabrous, white or purple.
The fruit is ovoid, curved, 6-8 cm long and 3-5 cm wide, tomentose, dehiscent, yields cotton.
It grows on fallow lands as weed all over Bangladesh. This tall shrub is also native to South and Southeast Asia. Propagation of the plant is caused by seeds.
It is used in cough, cold, asthma and insect poisoning. A fine fibre is obtained from its stem. Cotton from the seeds is used to make pillows. Fresh leaves are used in rheumatic pains. The extract of roots is used as a a tonic. Milky latex is used in leprosy. Roots are used to make toothbrush and to cure toothache.