Melastomaceae is an extensive natural order of polypetalous exogens, nearly related to Myrtaceae. They are shrubs or trees, rarely herbs, with opposite or whorled leaves, often prominently three or five nerved, and often handsome flowers. The species, of which about 1200 are known, abound chiefly in tropical countries, especially in South and West ... Found on http://www.probertencyclopaedia.com/browse/BM.HTM