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| Clematis occidentalis var. grosseserrata (Rydb.) J. Pringle | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||||||||
| Family: | Ranunucalaceae | ||||||||||||||
| Genus: | Clematis | ||||||||||||||
| Species Synonyms: | Clematis occidentalis ssp. grosseserrata
(Rydb.) Taylor & MacBryde Clematis columbiana (Nutt.) T. & G. Clematis columbiana var. tenuiloba (A. Gray) J. S. Pringle Clematis verticillaris DC. var. columbiana |
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| Common Names: | western blue virginsbower Columbian virginsbower northern blue virginsbower |
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| DISTRIBUTION | |||||||||||||||
| Canada: | British Columbia – Alberta – southwestern Saskatchewan and east-central Saskatchewan | ||||||||||||||
| Saskatchewan: | southwestern and east-central Saskatchewan; Cypress Hills, Pasquia Hills | ||||||||||||||
| Ecoregion: | Cypress Upland, Mid-Boreal Lowland | ||||||||||||||
| HABITAT | |||||||||||||||
| Saskatchewan: | climbing over shrubs on wooded slopes | ||||||||||||||
| Associated Species: | aspen, bunchberry, birch, northern starflower, twinflower, white spruce | ||||||||||||||
| RARITY STATUS | |||||||||||||||
| Provincial
Status According to Harms (2003): |
Threatened |
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| Nature Conservancy Status: | G5T4T5 S2 |
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| Saskatchewan
Species at Risk Status: |
None |
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| COSEWIC Status: | None |
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| Western blue virginsbower is threatened because it is rare or uncommon in Saskatchewan. It occurs in two isolated areas in the province. No immediate threats are known but may occur in the future. | |||||||||||||||
| SPECIES DESCRIPTION | |||||||||||||||
| Height: | up to 2 m long | ||||||||||||||
| Roots: | rhizomes present | ||||||||||||||
| Stems: | viny or trailing | ||||||||||||||
| Leaves: | opposite, 2 – 3-divided into threes | ||||||||||||||
| Leaflets: | 3, long-stalked, diverse in shape, base heart-shaped, tip long-tapered, more or less fleshy, 1.5 – 5 mm wide, margins saw-toothed or entire | ||||||||||||||
| Inflorescence: | flowers solitary, long-stalked | ||||||||||||||
| Flowers: | sepals 4, 1.5 – 5 cm long, lance-shaped to oval, violet-blue, long-hairy; petals absent or replaced by petal-like sterile stamens; stamens numerous, carpels numerous | ||||||||||||||
| Fruits: | aggregate of one-seeded fruits, fruits long-hairy, styles persistent and feathery | ||||||||||||||
| Other: | climbing via tendrils | ||||||||||||||
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