Equilabium Mwany., A.J. Paton & Culham

Paton, A.J., Mwanyambo, Culham, A. (2018) Phylogenetic study of Plectranthus, Coleus and allies (Lamiaceae): taxonomy, distribution and medicinal use Botanical Journal of the Linnean Society 20 1-22

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

Description of the genus

Annual or perennial herbs or soft wooded shrubs. Leaves opposite. Inflorescence thyrsoid, usually laxt. Flowers pedicelate. Calyx funnel-shaped, straight with pedicel attached symmetrically at the base of the calyx, two-lipped; posterior lip with a single broad lobe; anterior lip 4-lobed. Corolla two-lipped with lips equal in length; tube s-shaped, expanding towards throat; posterior lip 4-lobed erect or ascending; anterior lobe horizontal, boar-shaped, sometimes frilled at apex. Stamens 4; filaments not fused together, held within the anterior lip. Style bifid with lobes subulate. Nutlets ovoid.

Derivation of name: With equal labia, referring to the corolla lips being of the same length.

Comment: A recently created genus (Paton et Al., 2018) with species formerly included in a more broadly defined Plectranthus.

Worldwide: 40 species mainly in Tropical Africa and 2 in India.

Zimbabwe: 7 taxa.

Equilabium selukwense

Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsContent
candelabriforme (Launert) Mwany. & A.J.PatonN,W
gracile (Suess.) Mwany. & A.J.PatonN,C,SDescription, Image
laxiflorum (Benth.) Mwany. & A.J.PatonEDescription, Image
pinetorum (A.J.Paton) Mwany. & A.J.PatonE
selukwense (N.E.Br.) Mwany. & A.J.Paton N,W,C,E,SDescription, Image
stenophyllum (Baker) Mwany. & A.J.PatonN,C,EDescription, Image
stenosiphon (Baker) Mwany. & A.J.PatonEDescription, Image

Other sources of information about Equilabium:

Our websites:

Flora of Caprivi: cultivated Equilabium
Flora of Malawi: Equilabium
Flora of Mozambique: Equilabium
Flora of Zambia: Equilabium

External websites:

African Plants: A Photo Guide (Senckenberg): Equilabium
BHL (Biodiversity Heritage Library): Equilabium
EOL (Encyclopedia of Life): Equilabium
GBIF (Global Biodiversity Information Facility): Equilabium
Google: Web - Images - Scholar
iNaturalist: Equilabium
IPNI (International Plant Names Index): Equilabium
JSTOR Plant Science: Equilabium
Mansfeld World Database of Agricultural and Horticultural Crops: Equilabium
Plants of the World Online: Equilabium
Tropicos: Equilabium
Wikipedia: Equilabium

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Genus page: Equilabium.
https://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=2578, retrieved 24 May 2024

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