Duosperma dichotomum Vollesen

dichotomum: dichotomous; regularly forking into two, referring to the inflorescence.

Erect shrubby perennial herb, up to c. 2 m tall, growing from a woody rootstock. Young stems with mixed glandular and non-glandular hairs. Leaves opposite, elliptic to obovate, up to 7.5 cm long, mostly hairless or with scattered longer hairs on the veins below; base decurrent to the stem with subauriculate lobes; margin scalloped. Flowers appearing in open, branched dichotomous heads, all branches ending in a flower; bracts leaf-like near the base of the inflorescence,glandular hairy. Calyx 7-9 mm long with narrowly triangular teeth, glandular hairy. *** ?? Corolla white with a mauve or uniformly mauve and orange spots at the base of the ; palate with long stiff hairs. Fruit an obovoid hairless capsule, 6-8 mm long.

Northern Mozambique and possibly in southern Tanzania.