|Standard Cyclopedia of Horticulture|
Persicaria maculosa (Polygonum persicaria, Linn.) Lady's Thumb. One of the annual smartweeds, but sold by seedsmen as a suit-able plant for backgrounds : glabrous or nearly so, erect or somewhat diffuse, 1-2 ft. tall: lvs. lanceolate to linear-lanceolate, slightly ciliate, usually with a triangular or crescent-shaped spot near the middle of the blade (whence the name lady's thumb); sheaths short, hairy on the margin : fls. in short spikes, pink or green- ish purple, the stamens 6 and the achene lenticular or triquetrous. Eu.—Naturalized everywhere about dwellings. CH
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- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
- w:Persicaria maculosa. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
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