Wahlenbergia umbellata (Adamson) Lammers

A branched erect or sprawling shrublet 30-50 cm high. Young stems gray, ridged, shortly hairy. Leaves opposite or mostly so, reflexed, distant, usually not fasciculate, linear-lanceolate, 5-8 mm long, 1-2 mm wide, more or less concave above. Leaves shorter than the internodes. Inflorescence a terminal cymose umbel. Pedicels 3-6 mm long, hispid at least when young. Calyx lobes 2-3 mm long, lanceolate, acute, slightly revolute. Corolla white, blue or purplish outside, the tube very short, the lobes 6-8 mm long. Style distinctly and rather abruptly thickened below the stigma. Ovary inferior, hispid when young. Fruit almost hemispherical, 2.5-4 mm long, 3-5 mm diameter, rounded or slightly retuse at the base, glabrescent but rough. Valves subobtuse, less than half as long as the calyx lobes and much shorter than the lower part.