Nomenclatural changes in Coleus and Plectranthus (Lamiaceae): a tale of more than two genera Author Paton, Alan J. Author Mwanyambo, Montfort Author Govaerts, Rafael H. A. Author Smitha, Kokkaraniyil Author Suddee, Somran Author Phillipson, Peter B. Author Wilson, Trevor C. Author Forster, Paul I. Author Culham, Alastair text PhytoKeys 2019 129 1 158 http://dx.doi.org/10.3897/phytokeys.129.34988 journal article http://dx.doi.org/10.3897/phytokeys.129.34988 1314-2003-129-1 BF57C6B3C3065AEE9B4B3D47189C908F 3382366 Coleus gracillimus (T.C.E.Fr.) Robyns & Lebrun, Ann. Soc. Sci. Bruxelles, Ser . B 49: 106. 1929 Englerastrum gracillimum T.C.E.Fr., Notizbl. Bot. Gart. Berlin-Dahlem 9: 69. 1924. Plectranthus gracillimus ( T.C.E.Fr.) Hutch. & Dandy, Bull. Misc. Inform. Kew 1926: 481. 1926. Type: DRC, Mt Corva, Deschamps s.n. (holotype: B, destroyed; isotypes: UPS, K, fragment). Englerastrum schlechteri T.C.E.Fr., Notizbl. Bot. Gart. Berlin-Dahlem 9: 70. 1924. Plectranthus schlechteri (T.C.E.Fr.) Hutch. & Dandy, Bull. Misc. Inform. Kew 1926: 481. 1926. Coleus schlechteri (T.C.E.Fr.) Robyns & Lebrun, Ann. Soc. Sci. Bruxelles, Ser . B 49: 106. 1929. Types: Mozambique, Dondo near Beira, Schlechter 12240 (syntype: B, destroyed, isosyntype: PRE, K, fragment) & Tanzania, Rungwe District: Kyimbila, Mulinda, Stoltz 1440 (syntype: B, destroyed, isosyntypes: K, W). Plectranthus micranthus Chiov., Boll. Soc. Bot. Ital. 1924: 44. 1924, nom. illeg., non Spreng. Englerastrum diffusum Alston, Bull. Misc. Inform. Kew 1926: 298. 1926. Plectranthus tenuis Hutch. & Dandy, Bull. Misc. Inform. Kew 1926: 481. 1926. Coleus diffusus (Alston) Robyns & Lebrun, Ann. Soc. Sci. Bruxelles, Ser . B 49: 106. 1929. Type: Nigeria: Nupe, Barter s.n. (syntype: K); Nigeria, Muri Province, weed in arable land, Lamb 72 (syntype, K). Distribution. Widespread in Trop. Africa.