E-Flora BC: Electronic Atlas of the Flora of British Columbia

Urtica urens L.
dog nettle (burning nettle; dwarf nettle)
Urticaceae (Nettle family)

Introduction to Vascular Plants

© Robert Flogaus-Faust  Email the photographer   (Photo ID #29232)

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Distribution of Urtica urens
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Species Information

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General:
Annual herb from a taproot; stems erect, simple or branched, solitary, sparsely to moderately hairy, with strongly stinging hairs and bristles, 10-80 cm tall.
Leaves:
Basal leaves few, reduced or lacking; stem leaves elliptic to egg-shaped, often enlarged upwards, opposite, the blades 1-4 cm long, coarsely and deeply toothed, stalked, the stalks 0.3-3 cm long; stipules 2-3 mm long.
Flowers:
Inflorescence of mixed male or female flowers in a 1-2 cm, axillary cluster or panicle; corollas lacking; sepals 4, 0.5-0.9 mm long.
Fruits:
Achenes, egg-shaped, 1.5-1.8 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry roadsides and waste places in the lowland, steppe and montane zones; rare in SW and SC BC south of 51degreeN; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

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General References