Chlorophytum burundiense (Asparagaceae), a new species from Burundi and Tanzania

Background and aims – In the context of our preparation of the treatment of the genus Chlorophytum for the 'Flore d'Afrique centrale', a new species is described from Burundi and Tanzania. Methods – Herbarium taxonomy and SEM of seeds. Key results – Chlorophytum burundiense Meerts sp. nov. is described. It is a small plant < 35 cm in height, with linear leaves < 6 mm wide, a dense raceme and large, deep purplish brown bracts. It is morphologically not closely related to any other species in the genus. It has a distinct habitat, growing in afromontane grassland and scrub at 2000–2500 m a.s.l. All collections but one originate from Burundi, and a single collection originates from SW Tanzania. A determination key is provided for Chlorophytum species with linear leaves occurring in Burundi