1974.000 Urtica L. - Nettles

Clapham, A.R., Tutin, T.G. & Warburg, E.F. (1952) Flora of the British Isles. 1st edition. Cambridge University Press, Cambridge

Friis, I. (1989) Urticaceae Flora of Tropical East Africa

Description of the genus

Annual or perennial, monoecious or dioecious, herbs, usually with stinging hairs. Leaves opposite, simple; stipules lateral. Inflorescences axillary, often paired, comprising lax, cymose panicles. Flowers unisexual, in small cymose clusters. Perianth 4-merous. Male flowers: perianth segments free, in 2 subequal pairs; stamens 4; ovary rudimentary. Female flowers: perianth segments unequal; ovary ovoid, laterally flattened. Achene lenticular, enclosed in the persistent inner perianth segments.

Worldwide: 80 species, more or less cosmopolitan, but concentrated in northern temperate regions.

Zimbabwe: 1 cultivated taxon.

No image of a cultivated species but there is an image of a native or naturalised species

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

dioica L.Description

Other sources of information about Urtica:

Our websites:

Flora of Caprivi: cultivated Urtica
Flora of Zimbabwe: Urtica

External websites:

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

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: Cultivated plants: genus page: Urtica.
https://www.zimbabweflora.co.zw/cult/genus.php?genus_id=2385, retrieved 26 February 2024

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