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Montana Field Guides

Stinging Nettle - Urtica dioica

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Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:

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General Description
Rhizomatous perennial with nearly glabrous foliage and stinging hairs. Stems 4-angled, often unbranched, 50–150 cm. Leaves opposite with prominent stipules; the blades lanceolate to ovate, 3–15 cm long with deeply serrate margins. Flowers in drooping axillary panicles; female flowers with 2 pairs of tepals; the outer narrow and ca. 1 mm long; the inner broader and longer. Achenes flattened-ovoid, ca. 1.5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Throughout most of MT but less so on Hi Line; most of North America, South America, Eurasia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 19

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(Records associated with a range of dates are excluded from time charts)



Habitat
Moist, usually disturbed, often organic soil of meadows, open forest, streambanks; plains, valleys to lower subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Stinging Nettle — Urtica dioica.  Montana Field Guide.  Montana Natural Heritage Program.  Retrieved on October 31, 2014, from http://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PDURT0D020
 
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