Coleus efoliatus De Wild., Contr. Fl. Katanga: 173. & Ann. Soc. Sci. Bruxelles 41 (2): 47. 1921.

≡ Plectranthus efoliatus (De Wild.) A. J. Paton, Fl. Trop. E. Afr., Lamiac.: 289. 2009. Type: DR. Congo, Welgelegen, 6 Jun 1912, J. Bequaert 486 (lectotype BR [BR 0000006261856], designated by Paton et al. [2009]).

= Plectranthus leviculus N. E. Br., Bull. Misc. Inform. Kew 1921: 296. 1921. Type: DR. Congo, Elisabethville [Lubumbashi], Jun 1920, F. A. Rogers 26211 (holotype K [K 000431879]).

= Coleus kassneri (T. C. E. Fr.) Robyns & Lebrun, Ann. Soc. Sci. Bruxelles, Sér. B 49: 106. 1929. Type: DR. Congo, Mt Morumbe, between rocks, 12 May 1908, T. Kassner 2951 (holotype B destroyed; isotype BM, BR [BR 0000006262532], E, K, P).

Description.

Paton et al. (2009: 289); Paton et al. (2013: 237), as Plectranthus efoliatus (De Wild.) A. J. Paton.

Distribution.

Rwanda to S Tropical Africa.

Habitat and ecology.

Brachystegia miombo woodland, dry evergreen forest, steppic savannah, often on rocky outcrops or gravelly soil, occasionally on copper-rich soil; 1250–1400 m elev.

Additional specimens.

DR. Congo, Haut-Katanga, Welgelegen, 6 Jun 1912, J. Bequaert 486 (BR); Tantara, 7 Aug 1956, P. Duvigneaud & J. Timperman 2235 Col (BRLU); Katende, 50 km S Dilolo, 1957, P. Duvigneaud 2458 Col (BRLU); Elisabethville [Lubumbashi], May 1912, H. Homblé 290 (BR); Lubumbashi, Katuba, 24 May 1927, P. Quarré 450 (BR).

Rwanda, Akagera, Lac Ihema, 15 Aug 1974, P. Van der Veken 10806 (BR).