1) Genus melastoma 2) Rosid dicot genus 3) Type genus of taceae 
Melastoma is a genus in the family Melastomataceae. It has about 50 species distributed around Southeast Asia, India, and Australia. It is undergoing taxonomic revision. Many species have been planted around the world for the aesthetic value of their bright purple flowers. Several have the capacity to become weedy, and have become noxious weeds in...
• (n.) A genus of evergreen tropical shrubs; -- so called from the black berries of some species, which stain the mouth.
<botany> A genus of evergreen tropical shrubs; so called from the black berries of some species, which stain the mouth. ... Origin: Gr. Mela = black, stoma = mouth. ... (06 Mar 1998) ... 
Me·las'to·ma noun [ New Latin , from Greek 
Melastoma is a genus of tropical evergreen shrubs belonging to the family Melastomaceae. Many of the species bear showy flowers.
[n] - type genus of Melastomataceae
genus Melastoma noun type genus of Melastomataceae; Asiatic shrubs with leathery leaves and large purple flowers followed by edible fleshy black berries