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This species is accepted, and its native range is Tropical Africa to Caprivi Strip.
A specimen from Kew's Herbarium

[FWTA]

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

Morphology General Habit
A slender creeping herb
Morphology Reproductive morphology Flowers
Small, pale blue flowers
Ecology
Usually in marshy savanna.

[FTEA]

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
Type: Guinea, between Timbo and Kouria, Sept. 1907, Chevalier s.n. (P, holo. K!, iso.)
Morphology General Habit
Annual aromatic herb 10–100 cm tall
Morphology Stem
Stems quadrangular, erect or scandent, slightly succulent, freely branching becoming slender in the inflorescence axis, sometimes with adventitious roots near base, pubescent with short, patent or retrorse hairs and pale sessile glands, becoming more sparsely pubescent and with sometimes glandular hairs on the inflorescence axis
Morphology Leaves
Leaves opposite, spreading, petiolate or subsessile; blades ovate or broadly ovate, 1–4 × 0.6–2(–2.5) cm, entire or serrate, apex acute to obtuse, base rounded to broadly cuneate or attenuate, sparsely pubescent with hairs confined to veins or scattered all over and with pale sessile glands; petiole 0–6 mm long
Morphology Reproductive morphology Inflorescences
Inflorescence axillary and terminal, branching with branches slender, rarely with 2 inflorescence axes arising from each upper leaf scar; flowers single, oppositely arranged towards the apex often spirally arranged below, strongly secund, often clustered towards the end of the axis; bracts linear or elliptic, 1 mm long; pedicels 1–3 mm long
Morphology Reproductive morphology Flowers Calyx
Calyx 1 mm long, pubescent with pale sessile glands; fruiting calyx 2.5–3.5 mm long, shortly tubular/campanulate with pedicel attached excentrically behind the posterior lip; throat truncate; lobes ± equal, lanceolate
Morphology Reproductive morphology Flowers Corolla
Corolla white, blue or purple, 4–5 mm long, with scattered pale sessile glands; tube 2–3 mm long, shallowly sigmoid to scarcely so; posterior lip shorter than anterior; anterior lip 1–2 mm long, cucullate enclosing stamens
Morphology Reproductive morphology Flowers Androecium Stamens
Staminal filaments fused
Morphology Reproductive morphology Fruits
Nutlets brown with darker speckles, broadly ovoid, slightly flattened, 1 mm long, producing copious mucilage.
Ecology
Open Brachystegia woodland and grassland, sand or black clay often in wet areas; 600–1800 m
Conservation
Least concern; widely distributed
Distribution
Range: Widespread in tropical Africa south to Mozambique, Zimbabwe and Caprivi Strip Flora districts: U1 U2 U3 U4 K3 T1 T4 T6 T7 T8

Native to:

Angola, Benin, Burkina, Burundi, Cameroon, Caprivi Strip, Central African Repu, Chad, Congo, Ethiopia, Gabon, Ghana, Guinea, Ivory Coast, Kenya, Malawi, Mali, Mozambique, Nigeria, Rwanda, Senegal, Sudan, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Coleus rhodesianum (N.E.Br.) A.J.Paton appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Milne-Redhead, E. [10643], Tanzania Englerastrum djalonense 25606.000
Milne-Redhead, E. [10635], Tanzania Englerastrum schweinfurthii 27333.000
Siame [147], Tanzania Englerastrum schweinfurthii 2747.000
Greenway, P.J. [8019], Zimbabwe Englerastrum schweinfurthii 3655.000
Jan 1, 2008 Sita [1571], Congo Plectranthus djalonensis K000479907
Jan 1, 2008 Sita [1571], Tanzania Plectranthus djalonensis K000938538
Sep 1, 2007 Mwangoka, M. [3927], Tanzania Plectranthus djalonensis K000248146
Gossweiler, J. [11495], Angola Plectranthus djalonensis K001008928
Gossweiler, J. [11494], Angola Plectranthus djalonensis K001008927
Welwitsch [5522], Angola Plectranthus djalonensis K001008929

First published in PhytoKeys 129: 88 (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. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Kew Backbone Distributions

  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
  • 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., Audru, J., Gaston, A. & Mosnier, M. (1972). Catalogue des Plantes Vasculaires du Tchad Méridional: 1-289. 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.
  • Paton, A.J., Bramley, G., Ryding, O., Polhill, R.M., Harvey, Y.B., Iwarsson, M., Otieno, D., Balkwill, K., Phillipson, P.B., Harley, R.M. & Willis, F. (2013). Flora Zambesiaca 8(8): 1-346. Royal Botanic Gardens, Kew.
  • 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.
  • Thiombiano, A., Schmidt, M., Dressler, S., Ouédraogo, A., Hahn, K. & Zizka, G. (2012). Catalogue des plantes vasculaires du Burkina Faso Boissiera 65: 1-391.

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of West Tropical Africa
Flora of West Tropical Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0