Coleus tetradenifolius (A. J. Paton) A. J. Paton, Phytokeys 129: 104. 2019. ≡ Plectranthus tetradenifolius A. J. Paton, Fl. Trop. E. Afr., Lamiac.: 304. 2009. Type: Uganda, Karamoja District, Mt Moroto, Jun 1963, E. Tweedie 2665 (holotype K [K 000430736]). Description. Paton et al. (2009: 304), as Plectranthus tetradenifolius A. J. Paton. Distribution. Cameroon, S. Sudan to E. Tropical Africa and NE DR. Congo. Habitat and ecology. Savannah with Exotheca abyssinica (out of Central Africa: rocky slopes and cliffs); ca. 2450 m elev. (out of Central Africa: 1350–2700 m elev.). Additional specimens. DR. Congo, Lac Albert, Mont Aboro, 2450 m elev., 26 Mar 1958, P. Bamps 147 (BR). Notes. 1. New species record for DR. Congo. 2. The specimen collected in DR. Congo departs from the type in having the inflorescence axis without glandular hairs and a shorter corolla (ca. 6 mm vs. 8–10 mm).

Published as part of Meerts, Pierre J. & Paton, Alan J., 2024, The genus Coleus (Lamiaceae) in Central Africa (Democratic Republic of the Congo, Rwanda, Burundi), with the description of 15 new species, pp. 71-178 in PhytoKeys 246 on pages 71-178, DOI: 10.3897/phytokeys.246.129476