Desfontaines established the genus for the single species rubiginosa. By 1995 it also included the four species lactiflorus, monteiroi, rhodesiacus, and rogersii, which Bridson considered should be moved to other genera.[3]
References
^Desfontaines RL (1818). "Nouveau genre de la famille des Rubiacées: Ancylanthos". Mémoires du Muséum d'Histoire Naturelle. 4: 5–7.
^Lantz H, Bremer B (2005). "Phylogeny of the complex Vanguerieae (Rubiaceae) genera Fadogia, Rytigynia, and Vangueria with close relatives and a new circumscription of Vangueria". Plant Systematics and Evolution. 253 (1–4): 159–183. doi:10.1007/s00606-005-0313-9. S2CID30867982.
^Diane M. Bridson (1996). "The tropical African genus Ancylanthos (Rubiaceae-Vanguerieae) reconsidered". Kew Bulletin. 51 (2): 343–352. doi:10.2307/4119328. JSTOR4119328.