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 barbatus var. grandis (L. H. Cramer) A. J. Paton , Phytokeys 129: 24. 2019 . ≡ Coleus grandis L. H. Cramer , Kew Bull. 32: 556. 1978 . ≡ Plectranthus barbatus var. grandis (L. H. Cramer) Lukhoba & A. J. Paton , Kew Bull. 58: 915. 2003 . publ. 2004. Type: Sri Lanka , Sita Eleiya. 3 Oct 1972 , L. H . Cramer 3869 ( holotype PDA ; isotype K [ K 000820136 ], US ). = Coleus kilimandschari Gürke , Abh. Königl. Akad. Wiss. Berlin 1891: 359. 1892 . ≡ Plectranthus kilimandschari (Gürke) H. I. Maass in R . Mansfeld, Verz. Landwirtsch. Gärtn. Kulturpfl. 3: 1136. 1986. Type: Tanzania , Kilimanjaro , Marangu, Jun 1893 , G . Volkens 427 ( neotype K [ K 000975992 ] designated by Paton et al. [2009] ; isoneotype G [ G 00435190]). = Plectranthus neochilus sensu Troupin & Ayobangira , Fl. Rwanda 3: 339. 1985 . non (Schltr.) Codd. Description. Paton et al. (2009: 339) , Paton et al. (2013: 273) , as Plectranthus barbatus var. grandis (L. H. Cramer) Lukhoba & A. J. Paton. Distribution. NE & E Tropical Africa to DR. Congo . Habitat and ecology. Savannah, rock outcrops, fallow fields, often planted in villages for hedgerows, 800–2250 m elev. Additional specimens. DR. Congo , Lac Albert , Mont Aboro (Djugu), 26 Feb 1958 , D. Froment 348 ( BR ); Mt Ota, NE of Gote (Mahagi), 12 Jul 1945 , R . Germain 3975 ( BR ); Lacs Edouard et Kivu , Beni, 7 Apr 1914 , J. Bequaert 3447 ( BR ); Masisi, Bugobe, 18 Jan 1957 , R . Gutzwiller 702 ( BR , WAG ); Mulungu, 20 Sep 1940 , F. L. Hendrickx 1393 ( BR ); Entre Walikale et Kalihe, May 1932 , J. Lebrun 5349 ( BR ). Rwanda, Kigali, Buliza, Nov 1932 , A. Becquet 222 ( BR ); Butare, Muhura, 17 May 1972 , L. Van Puyvelde & A. Kayonga 4 ( BR ); Rubona, 17 Apr 1958 , G . Michel 5283 ( BR ); Route Usa-Astrida [Butare], km 72.5, 11 Feb 1960 , F. L. Hendrickx 7776 ( BR , BRLU , LSHI ). BURUNDI , Bukeye, Mt Teza, 26 Jun 1969 , J. Lewalle 3839 ( BR ); M . Reekmans 3060 ( BR ); Ngozi , Remera, 26 Feb 1976 , M . Reekmans 4808 ( BR ); Irubura, 31 May 1926 , W . Robyns 2394 ( BR ).