Meve, U., Heiduk, A. & Liede-Schumann, S. (2020)

A new endemic Vincetoxicum (Apocynaceae) in the Eastern Cape, and a conspectus of the genus for South Africa

. Phytotaxa 447 (3): 185–194. https://doi.org/10.11646/phytotaxa.447.3.4