Engysiphon is a former genus in the Iridaceae family named in 1932 by G.J.Lewis. In 1985 it became a section of Geissorhiza. Flowers in this section are large white or pink and face to the side with unilateral stamens. Both the stamens and the style arch downward. Most of the species in this section have flowers with a long perianth tube.
Engysiphon brevitubus G.J.Lewis = Geissorhiza brevituba (G.J.Lewis) Goldblatt
Engysiphon exscapus (Thunb.) G.J.Lewis = Geissorhiza exscapa (Thunb.) Goldblatt
Engysiphon longifolius G.J.Lewis = Geissorhiza longifolia (G.J.Lewis) Goldblatt
Engysiphon longitubus G.J.Lewis = Geissorhiza exscapa (Thunb.) Goldblatt
Engysiphon pictus (R.C.Foster) G.J.Lewis sensu G.J.Lewis = Geissorhiza bonaspei Goldblatt (sometimes spelled Geissorhiza bonae-spei Goldblatt)
Engysiphon roseoalbus (G.J.Lewis) G.J.Lewis = Geissorhiza roseoalba (G.J.Lewis) Goldblatt
Engysiphon roseus (Schinz) G.J.Lewis = Geissorhiza tenella Goldblatt
Engysiphon schinzii (Baker) G.J.Lewis = Geissorhiza schinzii (Baker) Goldblatt