Streptocarpus monophyllus is a large monocarpic, unifoliate species (28 x 30 cm) with large, mauve flowers (40-45 mm long), deeper mauve in the throat, lighter on the outside. Streptocarpus monophyllus is found on the east facing cliffs of the southern highlands of Angola, in the vicinity of Lubango at altitudes of 1700 – 2200 metres. One gorge in which they occur lies next to the spectacular Leba Pass, leading down to the Namib desert and the Atlantic Ocean some 200 km to the west.

