Stock Photo - Kateshever ,Red silk cotton ,Bombax ceiba , Shalmali flower poona Mharashtra ,India Bombax species are among the largest trees in their regions, reaching 30 to 40 metres in height and up to 3 metres trunk diameter The leaves are compound with entire margins and deciduous, being shed in the dry-season They measure 30 to 50 cm across and are palmate in shape with 5 to 9 leaflets The calyx is deciduous, meaning it does not persist on the fruits They bear 5 to 10 cm long red flowers between January and March while the tree is still leafless The stamens are present in bundles in two whorls, while the staminal column lacks lobes The ovary matures into a husk containing seeds covered by a fibre similar to that of the kapok Ceiba pentandra and to cotton, though with shorter fibres than cotton, that does not lend itself to spinning, making it unusable as a textile product