1) Dilleniid dicot genus 2) Genus bombax 
Bombax ceiba Bombax costatum Bombax insigne Bombax mossambicense |synonyms=Eriodendron DC. Salmalia Schott & Endl. |}} Bombax is a genus of mainly tropical trees in the mallow family. They are native to western Africa, the Indian subcontinent, Southeast Asia, as well as sub-tropical regions of East Asia and northern Australia. Distinguish from the...
• (n.) A genus of trees, called also the silkcotton tree; also, a tree of the genus Bombax.
Bom'bax noun [ Late Latin , cotton. See Bombast , noun ] (Botany) A genus of trees, called also the silkcotton tree ; also, a tree of the genus Bombax. 
[n] - trees of chiefly South America
genus Bombax noun trees of chiefly South America