The genus Coleus (Lamiaceae) in Central Africa (Democratic Republic of the Congo, Rwanda, Burundi), with the description of 15 new species Author Meerts, Pierre J. 0000-0003-4215-027X Meise Botanic Garden, Nieuwelaan 38, BE- 1860 Meise, Belgium & Université Libre de Bruxelles, Av. F. D. Roosevelt 50 CP 244, BE- 1050 Brussels, Belgium & Fédération Wallonie-Bruxelles, Service général de l’Enseignement supérieur et de la Recherche scientifique, Brussels, Belgium Author Paton, Alan J. 0000-0002-6052-6675 The Herbarium, Royal Botanic Gardens, Kew, Richmond TW 9 3 AB, UK text PhytoKeys 2024 2024-09-02 246 71 178 journal article 302074 10.3897/phytokeys.246.129476 b381880a-e0bb-4b02-ad0f-2f90a0b6c995 Coleus descampsii (Briq.) A. J. Paton , Phytokeys 129: 40. 2019 . ≡ Pycnostachys descampsii Briq. , Bull. Soc. Roy. Bot. Belgique 37: 63. 1899 . Type: DR. Congo , Katanga, Lufonzo [Lufogo] R ., Mar. 1896 , G . Descamps s. n. ( holotype BR [ BR 0000008910042 ]). Description. Paton et al. (2009: 388) , as Pycnostachys descampsii Briq. Distribution. Cameroon to W Tanzania . Habitat and ecology. Savannah, most often on moist, organic soil; 1000–1720 m elev. Additional specimens. DR. Congo , Haut-Katanga , Marungu, 1940, F. Jurion 343 ( BR ); Kasanga, 23 Mar 1908 , T . Kassner 2660 ( BR ); Territ. des Baanza, sur la Luvua, 18 May 1931 , F. Luxen 35 ( BR ); Environs de Lubumbashi, May 1945 , P. Quarré 8012 ( BR ); Kasambi, 20 Apr 1926 , W . Robyns 2037 ( BR ); Marungu, Kasiki, 12 Jun 1939 , P. J. J. Vanden Brande 247 ( BR ). Note. As already mentioned by Paton et al. (2009) in Tanzania , intermediates exist between C. descampsii and C. parvifolius (e. g. S. Lisowski, F. Malaisse & J. - J. Symoens 11228 ( POZG ), Kundelungu, 25 Apr 1970 ).