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This species is accepted, and its native range is Tropical & S. Africa.


Labiatae, J. K. Morton. Flora of West Tropical Africa 2. 1963

Morphology General Habit
A slender, erect perennial herb, 1-3 ft. high
Morphology Reproductive morphology Flowers Corolla
Corolla small, white with purple dots
Growing in savanna swamps.


Lamiaceae (Labiatae), A.J. Paton, G. Bramley, O. Ryding, R.M. Polhill, Y.B. Harvey, M. Iwarsson, F. Willis, P.B. Phillipson, K. Balkwill, C.W. Lukhoba, D.F. Otieno, & R.M. Harley. Flora of Tropical East Africa. 2009

Type: Angola, Cuito [Kuito], Baum 789 (K!, W!, iso.)
Morphology General Habit
Perennial herb 0.5–1.2(–2) m tall with stems arising from a creeping rhizome, not reported as aromatic
Morphology Stem
Stems erect, strongly quadrangular, sparsely and strictly branched, rooting adventitiously below, pubescent with retrorse hairs and with pale sessile glands, becoming glabrous below and denser above with patent hairs on the inflorescence axis
Morphology Leaves
Leaves deflexed, shortly petiolate or sessile, with fascicles ofyoung leaves or shoots in axils; blades ovate, narrowly ovate or elliptic, 1–2 × 0.5–1 cm, serrate, weakly revolute, apex acute, more rarely obtuse below, base cuneate to attenuate, sparsely pubescent, glandular-punctate; petiole 0–1 mm long
Morphology Reproductive morphology Inflorescences
Inflorescences mostly borne on short lateral shoots, condensed with adjacent 6–10flowered verticils touching, cymes 3–5-flowered, sessile; bracts ascending, elliptic, 3 mm long, persistent; pedicels 0–1 mm long
Morphology Reproductive morphology Flowers Calyx
Calyx 1.5 mm long, pubescent, with colourless and dark sessile glands; fruiting calyx 3 mm long, slightly gibbous and constricted at throat, curved slightly upwards with pedicel attached at centre of calyx base; throat truncate; posterior lip lanceolate, slightly broader than anterior lobes, not or slightly curving upwards, not decurrent; anterior lip equally 4-lobed, lobes lanceolate, sometimes slightly flaring at apices, sinus between the median lobes deeper than that separating the median lobes from the lateral lobes
Morphology Reproductive morphology Flowers Corolla
Corolla white or pale pink, 3 mm long, pubescent on lobes and tube, with pale sessile glands; tube 2 mm long, sigmoid; posterior lip slightly shorter than anterior lip; anterior lip 1 mm long, shallowly cucullate, horizontal, enclosing stamens
Morphology Reproductive morphology Flowers Androecium Stamens
Staminal filaments fused
Morphology Reproductive morphology Fruits
Nutlets brown with reddish dots and regularly patterned with dark speckles, ellipsoid to ovoid, flattened, 0.5–1 mm long, producing copious mucilage when wet.
Wet grassland, swamps; 900–1800 m
Least concern; widely distributed
Range: West and Central Africa, Angola, Zambia, Malawi, Zimbabwe, Botswana Flora districts: U1 U4 K3 T1 T4 T5 T7 T8

Native to:

Angola, Benin, Botswana, Burkina, Cameroon, Central African Repu, Chad, Congo, Ethiopia, Gabon, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, Malawi, Nigeria, Rwanda, Senegal, Sierra Leone, Sudan, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Coleus guerkei (Briq.) A.J.Paton appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Sep 1, 2000 Cheek, M. [10047], Cameroon Neohyptis paniculata K000106856
Milne-Redhead, E. [9696], Tanzania Plectranthus guerkei 25422.000

First published in PhytoKeys 129: 53 (2019)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8: 215.


Kew Backbone Distributions

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(1): 1-85. ORSTOM, Bangui.
  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Lebrun, J.P., Toutain, B., Gaston, A. & Boudet, G. (1991). Catalogue des Plantes Vasculaires du Burkina Faso: 1-341. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Paton, A.J., Bramley, G., Ryding, O., Polhill, R., Harvey, Y., Iwarsson, M., Willis, F., Phillipson, P., Balkwill, K., Lukhoba, C., Otiend, D & Harley (2009). Lamiaceae (Labiatae) Flora of Tropical East Africa: 1-430.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.

Flora of Tropical East Africa
Flora of Tropical East Africa

Flora of West Tropical Africa
Flora of West Tropical Africa

Herbarium Catalogue Specimens

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 World Checklist of Selected Plant Families.

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.