Download or read book Flora of Tropical East Africa - Violaceae (1986) written by Christopher Grey-Wilson and published by CRC Press. This book was released on 1986-06-01 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume focuses on the family Violaceae. They are annual or perennial herbs, shrubs or small trees and contains about 22 genera and some 900 species and confines mainly to the old New world tropics and sub tropics, however the genus Viola is predominantly temperate in distribution.