Thereianthus
Thereianthus is a genus of flowering plants in the family Iridaceae, first described as a genus in 1941. The entire genus is endemic to Cape Province in South Africa.
The genus name is derived from the Greek words thereios, meaning "summer", and anthos, meaning "flower".
;SpeciesThereianthus bracteolatus G.J.LewisThereianthus bulbiferus Goldblatt & J.C.ManningThereianthus elandsmontanus Goldblatt & J.C.ManningThereianthus intermedius J.C.Manning & GoldblattThereianthus ixioides G.J.LewisThereianthus juncifolius G.J.LewisThereianthus longicollis G.J.LewisThereianthus minutus G.J.LewisThereianthus montanus J.C.Manning & GoldblattThereianthus racemosus G.J.LewisThereianthus spicatus G.J.Lewis