Leather-flower

Leather-flower

Clematis viorna

Plant Type
Vine (Deciduous)
Landscape Layer
Vine
Sun
⛅ Part Sun
Moisture
💧 Regular
Soil
Clay, Loam, Silt, Calcareous
Bloom
May, June, July, August
Sociability
S1 – Solitary / small clusters

Ecology & Conservation

Proximity Score
3a
Native Status
❌ Outaouais ❌ Ottawa ❌ QC ❌ ON
Closest Direction
S
CEC Eco-Regions
8 – Eastern Temperate Forests, 8.4 – Ozark, Ouachita-Appalachian Forests, 8.4.1 – Ridge and Valley
Rarity Notes
Globally secure (G5) but not native to Canada. Listed as introduced in Ontario by VASCAN. NatureServe ranks it SNA (Not Applicable) in Ontario given its non-native status. Not listed under SARA or COSEWIC.

S22 S1 S26

Rarity Ranks
ON SNA – Not Applicable
Migration
Disjunct
Ecological Context
A vine of rich, calcareous wooded slopes and thickets in the central Appalachian region, from Pennsylvania south to Georgia and west to Missouri. Found primarily on limestone substrates along river corridors and in mesic forests of the Ridge and Valley province. In Canada it is known only as an introduction in Ontario.

S4 S48 S1 S22

Medicinal Properties

Always consult a qualified healthcare provider before using any plant for medicinal purposes. The information provided is compiled from secondary sources for educational purposes only.

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Category
Panacea

S28 Meskwaki Drug category=Panacea

Notes
Meskwaki (Fox) people used the root to make a drink taken for 'any kind of common sickness' — a general panacea. Documented by Huron H. Smith (1928) in Ethnobotany of the Meskwaki Indians.

S28

Edibility & Foraging

Never ingest a plant unless you have 100% certainty of its identity and have consulted multiple reputable sources. The information provided in the Localeaf Plant Database is compiled from secondary sources for educational and historical purposes only.

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❌ Not Edible   

Foraging Notes
No edible uses documented. Moerman lists only medicinal/drug uses for this species. As a member of Ranunculaceae, fresh plant material contains protoanemonin which is an irritant.

S28

Toxicity
△ Low Toxicity

Not listed in the Cornell poisonous plants database. However, as a member of Ranunculaceae, fresh plant tissue likely contains protoanemonin, a mild irritant common across the buttercup family. No specific toxicity reports found for this species.

S38

Seed Source

  • NANPS
  • NANPS
Leather-flower