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 autranii Briq. , Bull. Herb. Boissier 2: 129. 1894 . ≡ Calchas autranii (Briq.) P. V. Heath , Calyx 5: 160. 1996 . ≡ Solenostemon autranii (Briq.) J. K. Morton , Novon 8: 266. 1998 . ≡ Plectranthus autranii (Briq.) Erhardt, Götz & Seybold , Grosse Zander 2: 1825. 2008 . Type: Ethiopia , 6 Sep 1952 , G . W . Schimper 693 ( holotype G [ G 00435189]; isotype K , P [P 00450781], [P 00450782], [P 00450783]). = Coleus silvaticus Gürke , Bot. Jahrb. Syst. 19: 219. 1894 . ≡ Solenostemon silvaticus (Gürke) Agnew , Upland Kenya Wild Fl.: 640. 1974. Type: Tanzania , W Usambara Mts, Shagai Forest, near Sunga, R . B . Drummond & J. H . Hemsley 2593 ( neotype K , designated by Paton et al. [2009] ). Description. Paton et al. (2009: 326) , Paton et al. (2013: 265) , as Plectranthus autranii (Briq.) A. J. Paton. Distribution. Ethiopia , Central Africa, East Africa to South Africa . Habitat and ecology. Mountain forests, clearings with Hagenia , scrub, Senecio-Philippia vegetation, riparian forest, 1000–3200 m elev. Additional specimens. DR. Congo , Forestier central : Route Baudouinville [Moba] à Katele (?), Sep 1922 , S. de Giorgi 67 ( BR ). Lacs Edouard et Kivu , Karisimbi, versant sud, riv. Bikuri, 27 Feb 1935 , G . F. de Witte 2265 ( BR ); Entre Kasindi et Lubango, W du Lac Edouard, Jan 1932 , J. Lebrun 4737 ( BR ); Wimbi, 26 km S Lubero, 22 Jul 1937 , J. Louis 4658 ( BR ). Haut-Katanga , Upemba, 16 Apr 1949 , G . F. de Witte 6141 ( BR ); Marungu, Mashini, 28 Jun 1957 , P. Duvigneaud 3750 Co ( BRLU ). Rwanda , Kareba, versant sud du Karisimbi, 10 Oct 1974 , P. Auquier 4513 ( BR ); Dorwa, Dec 1932 , A. Becquet 194 ; Route Pindura-Ibigugu, km 88, 9 Jan 1980 , D. Bridson 158 ( BR , K , WAG ); Route Astrida [Butare] - Shangugu, km 71, crête Congo-Nil, 9 Sep 1959 , M . Reynders 403 ( BR ); Forêt de Nyungwe, env. Uwinka, 26 May 1981 , G . Troupin 16256 ( BR , WAG ). Burundi , Bukeye, Mt Teza, 19 Jun 1971 , J. Lewalle 6007 ( BR ); Bubanza , Mugomero, 12 Jun 1981 , M . Reekmans 10601 ( BR , WAG ).