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Lady's Thumb (Polygonum persicaria)
Image ID: mtr92
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Other common names: Redleg
Introduced
Family:
Polygonaceae (Buckwheat)
Height: 0.66 to 2.5 ft.
Blooms: June to
October
Leaf Type:
smooth
Bloom Size: 0.125 in. (typical)
Flower Description:
Elongate clusters,
Irregular blossoms
Location: Montour Trail
Date: 8/2/2003
Notes:
Triangular dark spot on leaf.
More photos of this flower
Lady's Thumb may be
easily confused with:
- Pennsylvania Smartweed
Lady's thumb has a distinctive triangular dark spot on its leaf.
- Swamp Smartweed
Lady's thumb has a distinctive triangular marking on the leaf. Swamp smartweed typically has a longer flower cluster and a larger leaf.
We started out as wildflowers from the bicycle trails of western Pennsylvania, but we've
grown!
Meyer, Joseph E. (1918). The Herbalist and Herb Doctor. Hammond, Ind.: Indiana Herb Gardens. 400 pp.
