Cyperus marginatus
Cyperus marginatus is a species of sedge that is native to Angola, Namibia, Botswana, South Africa, Lesotho, and Eswatini in southern Africa, and Kenya in eastern Africa. See also 
 List of Cyperus species

References 

marginatus
Flora of Angola
Flora of Botswana
Flora of Kenya
Flora of Lesotho
Flora of Namibia
Flora of South Africa
Flora of Swaziland
Plants described in 1794
Taxa named by Carl Peter Thunberg