Agapanthus praecox Willd. is an evergreen plant from the southeastern Cape growing in stony slopes and grassland from the southeastern Cape to KwaZulu-Natal. It grows 60-70 cm tall and has white to medium blue flowers with stamens as long as the tepals. The first three photos taken by Cameron McMaster in the Eastern Cape. Photos 4-6 below taken by Cameron McMaster and Bob Rutemoeller of a wild population at Satansnek Pass in the Eastern Cape. Plants were blooming with Crocosmia masoniorum.
Photo 1-4 from Mary Sue Ittner. The first was taken at Glen Avon where it was growing high on the rocks with a cyrtanthus species January 2010. Photos 2-4 were taken at Gaika's Kop January 2010. Photos 5-6 taken by Christopher Whitehouse January 2012 also at Gaika's Kop.
Photo below by Paul Tyerman of a plant in Australia that was labeled Agapanthus africanus but is likely to be A. praecox instead or a hybrid.