👉 Melastomaceae is a family of flowering plants in the family Melastomataceae. It includes around 20 genera and over 3,500 species that are native to the Americas, Europe, Asia, and Australia. The term "melastomac" refers to these plants being able to produce a sticky substance called melastoma, which is composed of a protein and a sugar. This substance is known as a melanin or melanoidin, and