Equilabium orbiculare (Guerke) Mwany. & A.J.Paton comb. nov.

Plectranthus orbicularis Gürke, Bot. Jahrb. Syst. 19: 203. 1894. Types: Tanzania, Usambara Mts, Upanga swamp, Holst 4159 (syntype: B, destroyed) & Zanzibar, Stuhlmann 826 (syntype: B, destroyed; isosyntype: HBG).

Plectranthus sphaerophyllus Baker in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 5: 410. 1900. Types: Tanzania, Uzaramo District: Dar es Salaam, Kirk s.n. (syntype: K) & Zanzibar, Kirk s.n. (syntype: K).

Distribution.

E. Tanzania (incl. Zanzibar, Pemba).