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

Type
Type: South Africa, KwaZulu-Natal, Umzimkulu, Drège s.n. (K!, holo.) – Drège 4769 matches the locality. There is no Drège specimen at K of this species which lacks a number and 4769 seen by Bentham is probably the type.
Morphology General Habit
Perennial woody herb with several stems arising from a thick woody rootstock, more rarely forming a single stemmed shrub, 30–100 cm tall, variously reported as aromatic or not
Morphology Stem
Stems erect, ascending or decumbent, quadrangular or roundedquadrangular, sparsely to densely pubescent
Morphology Leaves
Leaves opposite or ternate, sometimes with fascicles of young leaves in axils, petiolate or sessile; blade spreading or ascending, sometimes greyish or purplish beneath, 1.1–15 × 0.2–4 cm, elliptic, obovate, broadly obovate or rotund, entire or serrate, apex round to acute, base cuneate, glabrous to densely pubescent, glandular-punctate; petiole 0–2(–10) mm long
Morphology Reproductive morphology Inflorescences
Inflorescence lax or condensed with neighbouring 6–9-flowered verticils touching or up to 55 mm apart in fruit; bracts linear or narrowly ovate, 2–10 mm long, erect above forming an inconspicuous coma, soon deciduous, the scar developing into a bowl-shaped nectary; pedicels 1–4 mm long, ascending, slightly flattened and curved distally
Morphology Reproductive morphology Flowers Calyx
Calyx 3–7 mm long at anthesis, pubescent or densely so near calyx base and with sessile glands, margin of lateral lobes often ciliate; posterior lip often purplish, obovate, apiculate, mucronate or rounded at apex exceeding the rest of the calyx by 1.5 mm or less; fruiting calyx 7–10 mm long
Morphology Reproductive morphology Flowers Corolla
Corolla white, pink, purple or bluish, 7–15 mm long; tube (5–)6–10 mm long, slightly curved, dorsally gibbous, abruptly dilating at throat; lobes of posterior lip toothed or fimbriate or at least sinuate, anterior lip horizontal and cucullate around filaments
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens exserted 10–20 mm
Morphology Reproductive morphology Fruits
Nutlets pale brown, broadly ovoid, 2 mm long, smooth, producing mucilage when wet.

[FWTA]

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

Morphology General Habit
Rootstock swollen, woody, perennial
Morphology Reproductive morphology Inflorescences
Producing erect, branched or unbranched flowering shoots 6 in.-2 ft. high, bearing compact or elongate inflorescences of attractive pink (rarely white) flowers with very long stamens.
Note
Very variable in habit, leaf shape, pubescence and inflorescence but intermediates appear to connect all the W. African forms.

Native to:

Angola, Benin, Burkina, Burundi, Cameroon, Cape Provinces, Central African Repu, Congo, Eritrea, Ethiopia, Free State, Ghana, Guinea, Ivory Coast, Kenya, KwaZulu-Natal, Lesotho, Madagascar, Malawi, Mali, Mozambique, Nigeria, Northern Provinces, Rwanda, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Ocimum obovatum E.Mey. ex Benth. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Dec 1, 2012 Hemp [5639], Tanzania K000735703
Jan 1, 2011 Parmentier [4648], Congo K000735159
Jan 1, 2011 Schinini [30110], Paraguay K000735252
Nov 1, 2007 Bingham [12575], Zambia K000479581
Schimper [1621], Ethiopia K000347069
Bidgood, S. [6067], Tanzania K000468358
Harris, T. [444], Mozambique K000613880
Bidgood, S. [6028], Tanzania K000468397
Schimper [1621], Ethiopia K000347070
Milne-Redhead, E. [8111], Tanzania Becium obovatum 1296.000
Milne-Redhead, E. [8415], Tanzania Becium obovatum 25411.000
Milne-Redhead, E. [7899], Tanzania Becium obovatum 25417.000
Milne-Redhead, E. [8420], Tanzania Becium obovatum 25440.000
Mathew, B. [6029], Kenya Becium obovatum 6049.238

First published in E.H.F.Meyer, Comm. Pl. Afr. Austr.: 226 (1838)

Accepted by

  • 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.
  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • 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.

Literature

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.
  • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • 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.
  • 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.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • 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

  • DC., Prodr. 12: 35 (1948)
  • E. Mey., Comm. Pl. Afr. Austr.: 226 (1838)
  • Holm & Hiltunen, Ocimum: 33 (1999).

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
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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

Plants and People Africa
Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
© Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/