Describes the depth and abundance of floral diversity of the area. Classification is generally that by Bentham and Hooker but new generic-specific and family names as followed by Hutchinson and other modern taxonomists have been recognized. Includes a brief description of species, reflecting the diagnostic features, ecology, phenology, local names, distribution, and specimen voucher numbers. Detailed information about phytogeography and biological spectrum are included. Rare and threatened plants of the area are described along with possible reasons for their status.