7347.000 Pycnostachys Hook.

Description of the genus

Annual or perennial herbs or shrubs. Leaves opposite or whorled. Inflorescence a dense terminal spike. Bracts small, distinct from the leaves. Calyx ± equally 5-toothed; teeth subulate, becoming spiny in fruit. Corolla 2-lipped; upper lip 4-lobed, shorter than the lower; lower lip relatively large, boat-shaped. Stamens 4, didynamous, lying in the lower lip. Style slender, shortly 2-fid.

Worldwide: 37 species in tropical and South Africa and Madagascar

Mozambique: 5 taxa.

Pycnostachys orthodonta

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

SpeciesFZ divisionsContent
ciliata Bramley NDescription, Image
orthodonta GürkeZ,T,MSDescription, Image
reticulata (E. Mey.) Benth.NDescription, Image
stuhlmannii GürkeNDescription, Image
urticifolia Hook.N,Z,T,MSDescription, Image

Other sources of information about Pycnostachys:

Our websites:

Flora of Botswana: Pycnostachys
Flora of Malawi: Pycnostachys
Flora of Rwanda: Pycnostachys
Flora of Zambia: Pycnostachys
Flora of Zimbabwe: Pycnostachys

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2007-25

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2025). Flora of Mozambique: Genus page: Pycnostachys.
https://www.mozambiqueflora.com/speciesdata/genus.php?genus_id=1229, retrieved 16 June 2025

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