Hyperacanthus amoenus (Sims) Bridson [ Gardenia neuberia Ecklon & Zeyher]
Hyperacanthus amoenus (Sims) Bridson [ Gardenia amoena Sims] [Rubiaceae]
C. Letty, Wild Fl. Transvaal: p. 326, t. 162, fig. 3 (1962) [C. Letty]