Wahlenbergia riversdalensis Lammers

Slender, prostrate or sprawling, woody at the base only. Stems hispid, up to 40 cm long. Leaves alternate, not fasciculate, spreading or partly reflexed, flat, ovate-oblong, 4-5 mm long, 2-3 mm wide, subcordate at the base, acute, the edges toothed, thickened, and slightly revolute. Inflorescence with slender branches 2-3 cm long: pedicels 5-8 mm long. Calyx and ovary hispid. Calyx lobes 2 mm long, the edges toothed and minutely hyaline. Corolla white, blue-purple outside, 5-7 mm long, the tube very short, the lobes hairy. Bases of the filaments obovate, slightly ciliate. Ovary inferior, hemispherical. Valves shorter than the calyx lobes.