Common Name: 

About 450 species of deciduous or evergreen trees and shrubs, the wood of which is often black.  Leaves alternate, occasionally nearly opposite, simple.  Flowers usually unisexual, 2-5 male flowers per short cluster, female flowers solitary. The calyx is usually 4-lobed, persistent in the fruit, which is a fleshy berry, green at first but becoming yellow, orange, brown, or purple.  Native to southern Europe, North and South America, Africa, and Asia, especially in the topics.
Diospyros: from the Greek Dios, of Zeus or Jove, and pyros, wheat or grain, an apparent reference to the edible fruits.