Verbena urticifolia var. urticifolia L. | Species Image Gallery (opens in a new window) |
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TAXONOMY | |||||||||||||||
Family: | Verbenaceae | ||||||||||||||
Genus: | Verbena | ||||||||||||||
Species Synonyms: | none | ||||||||||||||
Common Names: | white vervain nettle-veined vervain |
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DISTRIBUTION | |||||||||||||||
Canada: | southeastern Saskatchewan, Ontario – New Brunswick | ||||||||||||||
Saskatchewan: | southeastern Saskatchewan; Antler River Valley | ||||||||||||||
Ecoregion: | Aspen Parkland | ||||||||||||||
HABITAT | |||||||||||||||
Saskatchewan: | low grassy or shrubby, riverbank slopes | ||||||||||||||
RARITY STATUS | |||||||||||||||
Provincial
Status According to Harms (2003): |
Endangered |
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Nature Conservancy Status: | G5 S1 |
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Saskatchewan
Species at Risk Status: |
None |
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COSEWIC Status: | None |
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White vervain is endangered because it is extremely rare and restricted to a small region in southeastern Saskatchewan. This species faces threats relating to habitat loss and human development. | |||||||||||||||
SPECIES DESCRIPTION | |||||||||||||||
Height: | 50 – 250 cm | ||||||||||||||
Stems: | perennial, solitary, erect, simple to branched, stiff-hairy to becoming hairless | ||||||||||||||
Leaves: | opposite, stalk winged, 8 – 16 cm long, 2.5 – 7 cm wide, oval, base rounded, tip long or short tapered, margin saw-toothed or doubly saw-toothed | ||||||||||||||
Inflorescence: | spikes solitary to few, lax, flowers not overlapping; bractlets 0.5 – 1.5 mm long, oval | ||||||||||||||
Flowers: | sepals 1.5 – 2.5 mm long, hairy; petals white; stamens 5, fused to petals; carpels 2, 4-lobed | ||||||||||||||
Fruits: | nutlets 1.5 – 2 mm long, commonly netted above and smooth or grooved below | ||||||||||||||
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