What is "mitrephora"

The genus Mitrephora, of family Annonaceae, comprises around 40 species of small trees and shrubs found in tropical Asia and northern Australasia. The area of distribution extends from China in the North ( Hainan, Yunnan) down to Queensland, Australia in the South. The genus is widely found in southern India ( Karnataka, Kerala and Tamil Nadu) and Southeast Asia. It reaches a maximum of diversity in Borneo and the Philippines.