Figure 3 from: Paton AJ, Mwanyambo M, Govaerts RHA, Smitha K, Suddee S, Phillipson PB, Wilson TC, Forster PI, Culham A (2019) Nomenclatural changes in Coleus and Plectranthus (Lamiaceae): a tale of more than two genera. PhytoKeys 129: 1-158. https://doi.org/10.3897/phytokeys.129.34988

Figure 3 Calyx and corolla morphology. Calyces in Coleus with pedicel attached excentrically above midline of calyx: 1C. betonicifolius2C. platyphyllus showing the rounded lateral calyx lobe in some species of the formally recognized Solenostemon. Calyx in Equilabium with pedicel attached ± at centre of calyx base with the lateral lobe held midway between the anterior and posterior lobes: 3E. megafolium4E. masukensis. Calyces in Plectranthus with pedicel attached ± at centre of calyx base with the lateral lobe closer to the anterior than the posterior lobes: 5P. alboviolaceus. Corolla shape in Coleus showing unequal anterior and posterior corolla lips: 6C. schizophyllus7C. hockii. Corolla shape of Equilabium showing equal anterior and posterior corolla lips: 8P. parvus10P. laxiflorus. Corolla shape of Plectranthus showing equal anterior and posterior corolla lips and gibbous-based corolla: 9P. strangulatus;. Drawn by Emmanuel Papadopoulos. Reproduced from Flora of Tropical East Africa (Paton et al. 2009).