About Diosma oppositifolia L.
Diosma oppositifolia L. is described as having subulate, acute, and opposite leaves. References include: Hort. cliff. 71, Roy. lugdb. 434. It has also been previously referred to as Spiraea africana with cross - arranged leaves (Comm. rar. 1. t. 1) and Hypericum africanum vulgare (Seb. thes. 2. p. 41. t. 40. f. 5).