Plectranthus ambiguus (Bolus) Codd, Bothalia 8: 159. 1964 Fig. 8A

Orthosiphon ambiguus Bolus, J. Linn. Soc., Bot. 18: 394. 1881. Type: South Africa, Eastern Cape, near Grahamstown, MacOwen (holotype: BOL; isotype: SAM).

Plectranthus coloratus E.Mey., Comm. Pl. Afr. Austr.: 228. 1838., nom. illeg., non. P. coloratus D.Don.

Plectranthus dregei Codd, Fl. Pl. Africa 32: t. 1244. 1957. Type: South Africa, between Umgazana and Umzimvubu rivers, 19 May 1832, Drège a (syntypes: BM, HBG, K (K000430874), MO, P(P00450719, P00450717), S); between Umizimkulu and Umkomass Rivers, 1 May 1832, Drège b (syntype: P(00450718).

Distribution.

South Africa: E. Cape Prov. to N. KwaZulu-Natal.