Geissorhiza is a large genus (84 spp.) of small to medium corm bearing plants in the Iridaceae family found in the winter rainfall region of the south and west coasts of southern Africa. Many of them make very handsome container plants and benefit from extra water during growth. Geissorhiza is quite similar to Hesperantha and superficially very difficult to tell apart although Geissorhiza blooms during the day and many Hesperantha species open late in the day. Most species of Geissorhiza have a style that divides above the anthers and in Hesperantha the style divides at the mouth of the type. Peter Goldblatt's monograph Systematics of the southern African genus Geissorhiza, 1981 is the authority but there is very useful information in Manning, Goldblatt, and Snijman, 2002. Full information can be found for these in References. Information on the species can be found on the wiki pages below or by clicking on the name of the species in the table.
Geissorhiza species A-G – Geissorhiza species H-L – Geissorhiza species M-Z
Geissorhiza species A-G – Geissorhiza species H-L – Geissorhiza species M-Z
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