Two new and endangered species of Coffea (Rubiaceae) from the Eastern Arc Mountains (Tanzania) and notes on associated conservation issues

Abstract

Coffea bridsoniae and C. kihansiensis are described as new species from the Eastern Arc Mountains, Tanzania. Full descriptions and conservation assessments are given, and affinities with other East African Coffea species are discussed. Supplementary taxonomic notes on Tanzanian Coffea are given, including a concise species checklist. Conservation issues concerning Tanzanian Coffea and the Kihansi River Gorge are briefly covered.

coffee, Coffeeae – hydroelectric power and conservation, IUCN Red List Categories, Kihansi River Gorge