Coleus betonicifolius (Baker) A.J.Paton, 2019

Paton, Alan J., Mwanyambo, Montfort, Govaerts, Rafael H. A., Smitha, Kokkaraniyil, Suddee, Somran, Phillipson, Peter B., Wilson, Trevor C., Forster, Paul I. & Culham, Alastair, 2019, Nomenclatural changes in Coleus and Plectranthus (Lamiaceae): a tale of more than two genera, PhytoKeys 129, pp. 1-158 : 21

Coleus betonicifolius (Baker) A.J.Paton comb. nov.

Plectranthus betonicifolius Baker, Bull. Misc. Inform. Kew 1895: 72. 1895. Types: Zambia, Fwambo, Carson 64 & 79 (syntypes: K).

Elsholtzia carsonii Baker in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 5: 450. 1900. Type: Zambia, Fwambo, S of Lake Tanganyika, 1890, Carson s.n. (holotype: K).

Coleus baumii Gürke in O. Warburg (ed.), Kunene-Sambesi Exped.: 357. 1903. Type: Angola, Cuito, Baum 544 (holotype: B, destroyed; isotypes: G, K, W).

Coleus kasomenensis De Wild., Repert. Spec. Nov. Regni Veg. 11: 514. 1913. Types: DRC, Upper Katanga, Kasomenia, Kassner 2555 (syntype: BR; isosyntype: K) & near Lubumbashi (Elizsabethville), Homblé 246 (syntype: BR) & Welgelegen, Bequaert 382 & 564 (syntypes: BR).

Distribution.

Tanzania, DRC, Zambia and Angola.

Notes.

The West African C. lyratus (A.Chev.) Roberty has been removed from synonymy and recognized here as a separate species, differing from Paton et al. (2013).