Ann. Bot. Fenn. 24: 88 (1987). Type locality: Kenya, Central Province, Krinyaga District, Mt. Kenya, near Castel Forest Station, 1972, H. Krog & T. D. V. Swinscow K 49/156 (O - holotype).
Type locality: Kenya, Central Province, Krinyaga District, Mt. Kenya, near Castel Forest Station, 1972, H. Krog & T. D. V. Swinscow K 49/156 (O - holotype).