7367.000 Orthosiphon Benth.

Paton, A.J. et al. (2009) Lamiaceae Flora of Tropical East Africa

Description of the genus

Herbs or subshrubs. Leaves opposite, rarely in threes. Inflorescences terminal, racemose or paniculate. Flowers in 2-12-flowered whorls; bracts persistent. Calyx 5-toothed, 2-lipped; upper tooth largest, broadly ovate-circular; 4 lower teeth ± equal or the 2 lower longer than the 2 laterals, ovate-triangular to subulate. Corolla 2-lipped; upper lip erect, 3-4-lobed; lower lip horizontal to recurved, concave to boat-shaped. Stamens 4, exserted; lower pair inserted near mouth, upper pair inserted further back in corolla tube. Nutlets subcircular to oblong.

Worldwide: 40 species in the Old World tropics

Zambia: 5 taxa.

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

SpeciesFZ divisionsProvincesContent
allenii (C.H. Wright) CoddN,W,C,ECb,Lp,N,E,CDescription, Image
nigripunctatus G.Taylor Nw
rufinervis G.Taylor Nw
schimperi Benth.N,W,C,E,SNw,E,C,SDescription, Image
thymiflorus (Roth) SleesenC,SN,Mc,SDescription, Image

Other sources of information about Orthosiphon:

Our websites:

Flora of Botswana: Orthosiphon
Flora of Malawi: Orthosiphon
Flora of Mozambique: Orthosiphon
Flora of Zimbabwe: Orthosiphon

External websites:

ePIC (electronic Plant Information Center): Orthosiphon
Flora Zambesiaca web site: Orthosiphon
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Orthosiphon
Wikipedia: Orthosiphon
IPNI (International Plant Names Index): Orthosiphon
Kew Herbarium catalogue: Orthosiphon

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-22

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2022). Flora of Zambia: Genus page: Orthosiphon.
https://www.zambiaflora.com/speciesdata/genus.php?genus_id=1243, retrieved 29 September 2022

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