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).