[1] Chinese Acad Sci, Key Lab Plant Germplasm Enhancement & Specialty A, Wuhan Bot Garden, Wuhan 430074, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] East African Herbarium, Natl Museums Kenya, POB 45166, Nairobi 00100, Kenya
[4] Chinese Acad Sci, Sino Africa Joint Res Ctr SAJOREC, Wuhan 430074, Peoples R China
[5] Chinese Acad Sci, Ctr Conservat Biol, Core Bot Gardens, Wuhan 430074, Peoples R China