Botanical name : Bombax pentandrum Linn. (Ceiba pentandra (Linn.) Gaertn.
Family : Bombacaceae
SANSKRIT SYNONYMS
Kutasalmali, Swetasalmali
AYURVEDIC PROPERTIES
Rasa    : Tikta
Guna   : Lakhu
Virya   : Seeta.
PLANT NAME IN DIFFERENT LANGUAGES
English  : Kopok tree, White silk cotton tree.
Hindi  : Saphed simal.
Malayalam : Panjimaram. 
Distribution – Throughout southern part of India growing wild, as well as cultivated. 
PLANT DESCRIPTION
A medium sized deciduous tree grows up to 25 meters in height. Leaves compound, trifoliate, petiolate, leaf lets lanceolate; flowers white at the end of branches. Fruits oblong, fusiform, seeds round, small black and surrounded with a tuft of long silky hairs. Bark is smooth, greenish, with thorns when young.
MEDICINAL PROPERTIES
Plant pacifies vitiated vata, pitta, splenomegaly, tumor, constipation, colic, flatulence, urinary retention, and seminal weakness.
Useful part : Root, Bark.