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 Caprivi: cultivated Orthosiphon
Flora of Malawi: Orthosiphon
Flora of Mozambique: Orthosiphon
Flora of Zimbabwe: Orthosiphon

External websites:

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

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-24

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Genus page: Orthosiphon.
https://www.zambiaflora.com/speciesdata/genus.php?genus_id=1243, retrieved 16 June 2024

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