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.

Other sources of information about Urtica urens:

External websites:

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

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: Species information: Urtica urens.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=203760, retrieved 20 May 2024

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