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Clematis occidentalis var. occidentalis
Clematis occidentalis (Hornem.) DC. var. occidentalis
Western Blue Virginsbower, Purple Clematis
Ranunculaceae (Buttercup Family)
Synonym(s): Atragene americana, Atragene occidentalis, Clematis verticillaris, Clematis verticillaris var. cacuminis, Clematis verticillaris var. grandiflora
USDA Symbol: CLOCO
USDA Native Status: L48 (N), CAN (N)
Purple clematis may climb to a length of 20 ft. with groups of three-parted, compound leaves and large, purplish-blue, bell-shaped flowers at intervals along the stalk. The flowers are followed by a silvery plume-like cluster of feathery achenes. Old wood is exfoliating - red-brown to purple.
Plant Characteristics
Duration: PerennialHabit: Vine
Leaf Retention: Deciduous
Fruit Type: Achene
Size Notes: Climber, stems up to about 20 feet long, often much shorter.
Bloom Information
Bloom Color: Blue , Purple , VioletBloom Time: Mar , Apr , May , Jun
Distribution
USA: CT , DE , IA , IL , MA , MD , ME , MI , MN , NC , NH , NJ , NY , OH , PA , RI , VA , VT , WI , WVCanada: NB , NS , ON , QC
Native Habitat: River banks; rocky woods.
Growing Conditions
Light Requirement: Part Shade , ShadeSoil Moisture: Moist
Soil pH: Circumneutral (pH 6.8-7.2)
Soil Description: Cool, limy, humus-rich soils.
Conditions Comments: Subject to insects and blight.
Benefit
Use Wildlife: LowWarning: POISONOUS PARTS: All parts. Severe pain in mouth if eaten; skin irritation if touched or inhaled. Symptoms include burning sensation of mouth and mouth ulcers; skin redness and burning sensation. Toxic Principle: Anemonin.
The name Clematis is the Greek word for long, easily bent branches"" (Andy Fyon)
Conspicuous Flowers: yes
Propagation
Description: Propagation is by softwood cuttings, division, and seed.Seed Treatment: A 60-180 day period of cold-moist stratification at 33-40 degrees aids in the germination of stored seeds.
Commercially Avail: yes
Web Reference
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Clematis occidentalis var. occidentalis in USDA PlantsFNA: Find Clematis occidentalis var. occidentalis in the Flora of North America (if available)
Google: Search Google for Clematis occidentalis var. occidentalis
Metadata
Record Modified: 2023-05-04Research By: TWC Staff