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rock clematis

Scientific Name: Clematis columbiana

Family: Ranunculaceae

Category: Dicot

Growth: Vine

Duration: Perennial

Other Names:

       

Rock Clematis (Clematis columbiana)

Rock Clematis, scientifically known as Clematis columbiana, is a captivating plant with various common names reflecting its appearance and habitat. This information is compiled from multiple sources.

Considerations for Pets

  • The text mentions the plant growing as a vine that climbs, which could be a tangling hazard for small animals.

Common Names

  • Blue Clematis
  • Purple Clematis
  • Columbia Clematis
  • Rock Clematis
  • Western Blue Virginsbower
  • Western Blue Clematis
  • Western Clematis
  • Columbian virgin's-bower

Taxonomy and Nomenclature

  • Scientific Name: Clematis columbiana (Nutt.) Torr. &amp A. Gray
  • Family: Ranunculaceae (Buttercup Family)
  • Kingdom: Plantae
  • Taxonomic Rank: Species, Variety
  • Synonyms:
    • Clematis occidentalis
    • Clematis occidentalis var. dissecta
    • Clematis pseudoalpina A.Nelson
    • Clematis tenuiloba A. Gray
    • Clematis tenuiloba A.Gray
  • Subordinate Taxa: Clematis columbiana var. columbiana, Clematis columbiana var. dissecta, Clematis columbiana var. tenuiloba (A. Gray) J.S. Pringle

Distribution and Habitat

  • Rock Clematis is found on the east side of the Cascades, ranging from British Columbia east to Alberta, Montana, and Wyoming.
  • It grows in dry to moist woods and on talus slopes on the east slope of the Cascades.

Morphological Characteristics

  • Clematis columbiana is a deciduous climber, growing up to 3 meters (approximately 10 feet) in length.
  • It is sometimes a non-vining plant with ascending or erect stems, approximately 6 inches.
  • Flowers bloom from June to July and are hermaphrodite (possessing both male and female reproductive organs).
  • Leaves are opposite and deciduous.
  • The plant features nodding blue to purplish flowers.
  • Some forms can be very small, only 15 to 28 cm (6 to 10 inches) in height.

Ecological Role

  • It thrives in full to partial shade and requires moist soil in spring, with low water needs later in the season.
  • The species is hardy to zone (UK) 4.

Traditional Uses

  • Historically, a poultice made from pounded Rock Clematis has been used medicinally.

Resources

  • USDA Plants Database
  • FNA (Flora of North America)
  • Dave's Garden
  • Discover Life
  • TERMIUM (Government of Canada's terminology and linguistic data bank)