IRIS, BUTTERFLY
(Moraea bicolor or Dietes supp) 
Native from South Africa to E. Africa to Kenya. 

An excellent perennial iris that grows and spreads through rhizomes or corms.  Leaves are fan shaped and can get 18 – 25 inches in height.   Butterfly Iris will flower from spring and through the summer with white flowers with a yellow stripe down the center on the petals.