|Standard Cyclopedia of Horticulture|
Persicaria wallichii (Polygonum polystachyum, Wall). Shrubby, glabrous, or pubescent perennial, 3-6 ft., the branches grooved: lvs. petioled or nearly sessile, oblong-lanceolate, narrow- acuminate, usually contracted and more or less cordate or truncate at base: fls. white or pink, 1/4in. diam., in large thyrse-like spreading terminal panicles with branches erect or decurved and very slender pedicels; 2 outer sepals much smaller than the inner. Himalaya, 7,000-14,000 ft. altitude; Afghanistan.—An excellent plant for late autumn bloom, in moist places. CH
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- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
- w:Persicaria wallichii. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
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