Cyrtanthus is a genus of perennial, herbaceous and bulbous plants in the family Amaryllidaceae, subfamily Amaryllidoideae.

[2][3][4][5] Cyrtanthus is the sole genus in the African tribe Cyrtantheae.

The placement of Cyrtantheae within subfamily Amaryllidoideae is shown in the following cladogram: Tribe Amaryllideae Tribe Cyrtantheae Tribe Haemantheae Tribe Calostemmateae Tribe Lycorideae Tribe Galantheae Tribe Pancratieae Tribe Narcisseae Tribe Griffineae Tribe Hippeastreae Tribe Eustephieae Tribe Eucharideae/Stenomesseae Tribe Clinantheae Tribe Hymenocallideae There are over 50 recognized species, all native to central and southern Africa.

[1][6][7]