Urtica urens L.

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Urtica urens

Photo: Mark Hyde
MacDonald's farm, Ruwa

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Common names: Small nettle (English)
Frequency: Rare
Status: Introduced
Monoecious annual herb, erect or ascending, often branched from the base, 10-60 cm tall. Stipules c. 1.5 × 0.5 mm, narrowly lanceolate. Leaves 1.5-4 cm, ovate or elliptic, incised-dentate; the lower shorter than their petioles; petiole 3-5 cm long. Inflorescences dense at first, becoming lax and spike-like and up to 2.5 cm long, bisexual. Achene laterally flattened.
Notes: Appears to be the first record for Zimbabwe
Derivation of specific name: urens: acrid, burning, stinging
Habitat: Disturbed open ground
Altitude range: (metres)
Flowering time:
Worldwide distribution: Originally from Old World temperate regions but now widespread in all temperate regions and the highlands of the tropics.
Zimbabwe distribution: C
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Tuesday 30 April 2013

Clapham, A.R., Tutin, T.G. & Warburg, E.F. (1952). Flora of the British Isles. 1st edition. Cambridge University Press, Cambridge Page 713.

Friis, I. (1989). Urticaceae Flora of Tropical East Africa Page 5.


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Other sources of information about Urtica urens:

External websites:

Biodiversity Explorer (Biodiversity of southern Africa): Urtica urens
EOL (Encyclopedia of Life): Urtica urens
ePIC (electronic Plant Information Center): Urtica urens
Flora Zambesiaca web site: Urtica urens
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Urtica urens
IPNI (International Plant Names Index): Urtica urens
Ispot Southern Africa : Urtica urens
JSTOR Plant Science: Urtica urens
Kew Herbarium catalogue: Urtica urens
Tropicos: Urtica urens
West African Plants database: Urtica urens

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Species information: Urtica urens.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=203760, retrieved 4 December 2016

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