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 erici-rosenii (R. E. Fr.) A. J. Paton , Phytokeys 129: 44. 2019 . Pycnostachys erici-rosenii R. E. Fr. , Wiss. Erg. Schwed. Rhod. - Kongo Exped. 1: 281. 1916 . Type: DR. Congo , Niragongo, 2000 m elev., 21 Dec 1911 . R . E . Fries 1588 ( holotype UPS [V- 039931], isotype K [ K 000405955 ], MO ). = Pycnostachys albidoviolacea De Wild. , Pl. Bequaert. 4: 400. 1928. Type: DR. Congo , Kivu, Mukule, 26 Sep 1914 , J. Bequaert 5889 ( lectotype BR [ BR 0000008910011 ], designated by Paton et al. [2009] , isolectotype MO ). = Pycnostachys robynsii De Wild. , Pl. Bequaert. 4: 398. 1928. Type: BURUNDI , Busiga, 28 May 1926 , W . Robyns 2356 ( holotype BR [ BR 0000008910356 ], [ BR 0000008909695 ]; isotype K , MO , P). Description. Paton et al. (2009: 408) , as Pycnostachys erici-rosenii R. E. Fr. Distribution. E DR. Congo to Uganda . Habitat and ecology. Marshland, steppe, savannah, wooded savannah, sclerophyllous mountain forest; 1600–2420 m elev. Additional specimens. DR. Congo , Lac Albert , Haut-Ituri, Kwandruma, 16 Jul 1937 , J. Ghesquière 4731 ( BR ); Lacs Edouard et Kivu , Boswenda, 23 Oct 1914 , J. Bequaert 6087 ( BR , K fragment, MO ); Kabare, Lwiro, 17 Aug 1953 , A. Christiaensen 4 0 ( BR , LSHI ); Chaîne des Mitumba, Hangi-Kipesa, 19 Jan 1956 , J. de Wilde 624 ( BR ); Bitashimua, 1 Aug 1934 , G . F. de Witte 1725 ( BR ); Kibumba, route Rutshuru-Goma, 12 Dec 1944 , R . Germain 2993 ( BR , U ); Kabare, Mulungu, 6 Nov 1958 , A. Léonard 1896 ( BR , K , WAG ); Kalehe, Mont Kahuzi, 6 Jun 1970 , J. Ntakiyimana 78 ( BR ). Rwanda , Buturo, Ruhengeri, Jan 1933 , A. Becquet 362 ( BR , MO ); Forêt de Nyungwe, env. Gisakura, 12 Jun 1971 , G . Bouxin 993 ( BR , WAG ); Kabare, colline à l’W de Tshibati, 30 Dec 1969 , Ern 15 ( BR , LWI , MO ); Nyarutembe, Maraba, 2 Jul 1971 , M . Radoux 19 ( BR ); Rangiro, Kirambo, 6 May 1980 , B . Runyinya 998 ( BR ); Mukura, Mont Huye, 17 Jul 1974 , G . Troupin 15122 ( BR ). Burundi , Muramvya , 9 Sep 1991 , J. De Laet H 82 ( BR ); Kisozi, 15 Jul 1935 , J. B . Lejeune 314 ( BR ); Bubanza , 12 Jun 1981 , M . Reekmans 10653 ( BR , WAG ); Karuzi , 3 Apr 1958 , D. van der Ben 2023 ( BR ).