Trachyphrynium Benth.
Benth. & Hook. I., Gen. 01. 3: 651 (1883).

Description:
     Scandent, much-branched plants. Cymules slightly dolichoblastic, prophyll ephemeral, interphyll absent, bracteoles 2, glandular. Corolla tube ca. 1/4 of the length of the lobes; outer staminodes 2, ± unequal, petaloid; cucullate staminode with 2 branched appendage, the upper branch much shorter than the lower one; ovary with 3 ovulate locules. Fruit dehiscent, seeds arillate. (From Kubitzki, et al., p. 289)

Geographical Distribution:
     West Africa, the Congo Basin, Sudan and Uganda.

Taxonomic Diversity:
     Kubitzki recognizes only one species, T. braunianum (K. Schum.) Milne Redh.