Swaziland's Flora Database:
Buchnera simplex (Thunb.) Druce
(name current 2016)
Growth form: Herb
Description (Compton's Flora of Swaziland*):
Buchnera reducta - Smaller than B. dura, up to 30 cm high. Basal leaves up to 4 cm long X 2 cm wide, slightly toothed; stem leaves much smaller and narrower. Inflorescence narrow, unbranched, flowers spaced. Calyx c 4 mm long, lobes pointed; corolla mauve, c 7 mm long X 3 mm across.
* Where species names have changed, these have been matched according to herbarium specimens quoted in this publication.