Genus:
Coleus Lour.

Coleus barbatus (Andrews) Benth. ex G.Don

This species is accepted, and its native range is Eritrea to Tanzania, Arabian Peninsula Indian Subcontinent to S. Central China.

[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: illustration of cultivated material in Bot. Rep. 9, t. 594 (1809) holo.; Eritrea, Dekemehare, Colville 47 (K!, epitype, C, photo. of epitype)
Morphology General Habit
Aromatic perennial succulent shrub, (0.2–)1–3(–4.5) m tall
Morphology Stem
Stems erect or ascending, sometimes creeping at base, rounded-quadrangular, branching, softly wooded and brittle, pubescent to villose with short or long antrorse or rarely retrorse eglandular hairs and patent glandular or eglandular hairs and with red sessile glands, with indumentum of inflorescence axis abruptly becoming glandular, viscid and less dense and with short or long glandular patent hairs and red and yellowish sessile glands
Morphology Leaves
Leaves spreading, fleshy, petiolate; blades elliptic to ovate, 0.9–20 × 0.5–11 cm, serrate or crenate, obtuse to rounded, base cuneate, broadly cuneate, truncate or subcordate, attenuate at petiole, pubescent to lanate, with red sessile glands; petiole 3–50 mm long
Morphology Reproductive morphology Inflorescences
Inflorescence lax with 10(–14)-flowered verticils 5–25 mm apart in fruit; cymes sessile, 5(–7)-flowered, dichasial at first branch producing two lateral condensed cincinni; bracts ovate, apiculate, 5–20 mm long, erect above forming a conspicuous terminal coma, cucullate, enclosing buds, soon deciduous; pedicels 3–7 mm long, ascending, shortly flattened, distally curved
Morphology Reproductive morphology Flowers Calyx
Calyx 3–5 mm, sparsely pubescent to villose, with red and yellowish sessile glands, often purplish; fruiting calyx 6–10 mm long, shortly tubular and with pedicel attached excentrically behind posterior lip; throat truncate, densely villose; posterior lip elliptic, apiculate at apex, curving upwards, decurrent; anterior lip 4-lobed, lobes lanceolate, median longer than lateral
Morphology Reproductive morphology Flowers Corolla
Corolla blue or purple, (7–)8–26 mm long, with scattered red glands or hairs on lobes; tube 5–12 mm long, sigmoid; posterior lip much shorter than anterior; anterior lip 8–15 mm long, finally horizontal, deeply cucullate enclosing stamens
Morphology Reproductive morphology Flowers Androecium Stamens
Staminal filaments fused
Morphology Reproductive morphology Fruits
Nutlets pale brown to black, smooth, with dark gland dots, broadly ovoid, slightly flattened, 1.5–2 mm long, producing copious speckled mucilage when wet.

Native to:

Burundi, China South-Central, East Himalaya, Eritrea, Ethiopia, India, Kenya, Nepal, Oman, Rwanda, Saudi Arabia, Somalia, Sri Lanka, Sudan, Tanzania, Thailand, Uganda, West Himalaya, Yemen, Zaïre

Introduced into:

Botswana, Cape Provinces, Madeira, Malawi, St.Helena, Zambia, Zimbabwe

English
Woolly Plectranthus

Coleus barbatus (Andrews) Benth. ex G.Don appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Wallich, N. [Cat. no. 2728], Nepal K000639591 Yes
s.coll. [Cat. no. 2728], India K001116963 Yes
s.coll. [Cat. no. 2728] K001116962 Yes
Blinkworth, R. [Cat. no. 2728], India K001116961 Yes
May 24, 2013 Bisset [192], Yemen Plectranthus barbatus K000735957 No
May 24, 2013 Bisset [137], Yemen Plectranthus barbatus K000735958 No
May 17, 2013 Katende [1927], Uganda Plectranthus barbatus K000938046 No
May 17, 2013 Tiyoy [1325], Uganda Plectranthus barbatus K000938047 No
Jan 1, 1998 Schimper [333], Ethiopia Plectranthus barbatus K000431891 Yes
Plectranthus barbatus 52769.000 No
Mathew, B. [6133], Kenya Plectranthus barbatus 6049.218 No
Mathew, B. [6171], Kenya Plectranthus barbatus 6049.223 No
Burger, W. [2246], Ethiopia Plectranthus barbatus K000431889 Yes
Cole, E. [s.n.], Somalia Plectranthus barbatus K000431893 Unknown type material Yes
Burger, W. [2246], Ethiopia Plectranthus barbatus K000431888 Yes
Volkens, G. [427], Tanzania Plectranthus barbatus K000975992 neotype Yes
Russell, W. [s.n.], India Plectranthus barbatus K000820188 Yes
Lort Phillips [s.n.], Somalia Plectranthus barbatus K000431892 Unknown type material Yes
Wight [s.n.], India Plectranthus barbatus K000820187 Yes
Lort Phillips [s.n.], Somalia Plectranthus barbatus K000431894 Unknown type material Yes
Colville, J.W. [47], Ethiopia Plectranthus barbatus K000431890 epitype Yes

First published in J.C.Loudon, Hort. Brit.: 483 (1830)

Accepted by

  • Paton, A.J., Mwanyambo, M. Govaerts, R.H.A., Smitha, K., Suddee, S., Phillipson, P.B., Wilson, T.C., Forster, P.I. & Culham, A. (2019). Nomenclatural changes in Coleus and Plectranthus (Lamiaceae): A tale of more than two genera. PhytoKeys 129: 1-158.

Not accepted by

  • 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. [Cited as Plectranthus barbatus.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Plectranthus barbatus.]
  • 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 barbatus.]

Literature

Kew Backbone Distributions

  • Lambdon, P. (2012). Flowering plants & ferns of St Helena: 1-624. Pisces publications for St Helena nature conservation group.
  • Mosti, S., Raffaelli, M. & Tardelli, M. (2012). Contributions to the flora of central-southern Dhofar (Sultanate of Oman). Webbia; Raccolta de Scritti Botanici 67: 65-91.
  • Muer, T., Sauerbier, H. & Cabrara Calixto, F. (2020). Die Farn- und Blütenpflanzen Madeiras: 1-792. Verlag und Versandbuchhandlung Andreas Kleinsteuber.
  • 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.

  • Art and Illustrations in Digifolia

    Digital Image © Board of Trustees, RBG Kew

  • 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 2022. 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 Living Collection Database

    Common Names from Royal Botanic Gardens, Kew Living Collection https://www.kew.org/

  • Kew Names and Taxonomic Backbone

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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

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