HEIDUK A. <em>Ceropegia cryptobarbata</em> sect. <em>Chamaesiphon</em> (Apocynaceae—Asclepiadoideae), a novel tuberous species from the Drakensberg foothills in South Africa. Phytotaxa [Internet]. 2023 Sep. 13 [cited 2025 Mar. 15];613(2):162-70. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.613.2.5