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This species is accepted, and its native range is Eritrea to N. Tanzania.
A specimen from Kew's Herbarium

[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

Morphology Reproductive morphology Inflorescences
Inflorescence fairly lax, with 6–10-flowered verticils ± 10 mm apart in fruit, with opposite, sessile 3–5-flowered cymes; bracts mauve, erect above, forming a conspicuous terminal coma, ovate, apiculate, cucullate enclosing young buds, soon deciduous; pedicels 3 mm long, ascending, slightly flattened, distally curved
Morphology Reproductive morphology Flowers Calyx
Calyx 3 mm long, pubescent, with red sessile glands; fruiting calyx 7 mm long, shortly tubular, ventrally saccate, constricted above mature nutlets, and with pedicel attached excentrically behind posterior lip; throat truncate, densely villose; posterior lip ovate, apiculate, curving up, decurrent; anterior lip 4-lobed with lobes lanceolate, median slightly longer
Morphology Reproductive morphology Flowers Corolla
Corolla pale to dark blue, 7 mm long, with scattered hairs and red sessile glands on lobes; tube 3–4 mm long, shallowly sigmoid; posterior lip much shorter than anterior lip; anterior lip 3–5 mm long, horizontal, cucullate, enclosing stamens
Morphology Reproductive morphology Flowers Androecium Stamens
Staminal filaments fused
Morphology Reproductive morphology Fruits
Nutlets pale brown, with red gland dots, broadly ovate in outline, flattened, 1 mm long, smooth, producing dotted mucilage when wet
Figures
Fig 57: 2–8, p 341
Ecology
Grassland, roadsides, often in damp areas; 900–1200 m
Conservation
Least concern; widely distributed
Note
Most likely to be confused with P. barbatus, from which it differs in having a ventrally saccate calyx more closely adpressed to the inflorescence axis and smaller corollas, 7 mm long rather than 8–25 mm. There are annual forms of P. barbatus in Ethiopia but these have corollas 10 mm long or more.
Type
Type: Congo-Kinshasa, Kivu, Rutshuru, Lebrun 9031 (BR!, holo.; K!, iso.)
Morphology General Habit
Annual aromatic herb, 0.3–0.6 m tall
Morphology Stem
Stems erect, quadrangular, arising from taproot, sparsely branched, pubescent to villose with long spreading glandular and eglandular hairs and red sessile glands, also with shorter glandular hairs on the inflorescence axis
Morphology Leaves
Leaves somewhat fleshy, spreading, petiolate; blades obovate or elliptic, 3–6 × 1–4 cm, crenate, weakly revolute, apex obtuse to rounded, base attenuate, pubescent, with red sessile glands; petioles 5–25 mm long
Distribution
Range: Congo-Kinshasa, Rwanda, Ethiopia, and Eritrea Flora districts: U1 U2 U3 U4 K3 K5 T1

Native to:

Eritrea, Ethiopia, Kenya, Rwanda, Tanzania, Uganda, Zaïre

Coleus kivuensis Lebrun & L.Touss. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
May 17, 2013 Naiga [494], Uganda Plectranthus kivuensis K000938043
Lebrun, J. [9031], Congo, DRC Plectranthus kivuensis K000431876 Unknown type material
Lebrun, J. [9031], Congo, DRC Plectranthus kivuensis K000431875 Unknown type material
Ghesquière [3573], Congo, DRC Plectranthus kivuensis K000431877 paratype

First published in Bull. Jard. Bot. État Bruxelles 17: 72 (1943)

Not accepted by

  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Plectranthus kivuensis.]
  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Plectranthus kivuensis.]
  • 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. [Cited as Plectranthus kivuensis.]
  • 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. [Cited as Plectranthus kivuensis.]

Literature

Kew Backbone Distributions

  • 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.

Flora of Tropical East Africa
Flora of Tropical East 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