Jaca, Thulisile P., and Annah N. Moteetee. 2018. “Taxonomic Notes on the Rhynchosia Densiflora Group (Phaseoleae, Fabaceae) in South Africa and Its Segregation from Rhynchosia Section Arcyphyllum”. African Biodiversity & Conservation 48 (1). https://doi.org/10.4102/abc.v48i1.2305.