Persicaria wallichii |
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garden knotweed, garden smartweed, Himalayan knotweed, Kashmir plume |
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Persicaria wallichii |
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Distribution |
CA; MA; OR; BC; Asia
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Discussion | Varieties 2 (1 in the flora). Persicaria wallichii is an ornamental that escapes infrequently in the flora area. A population in Nova Scotia apparently was ephemeral. Plants with leaf blades sparsely to densely pubescent abaxially and pedicels glabrous are var. wallichii, to which naturalized North American plants appear to be referable. Plants with leaf blades brownish-tomentose abaxially and pedicels usually pubescent are var. tomentosa S. P. Hong, which may be in cultivation in North America. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 5, p. 581. |
Parent taxa | Polygonaceae > subfam. Polygonoideae > Persicaria > sect. Rubrivena |
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Subordinate taxa | |
Synonyms | Polygonum polystachyum, Aconogonon polystachyum, Pleuropteropyrum polystachyum, Reynoutria polystachya, Rubrivena polystachya |
Name authority | Greuter & Burdet: Willdenowia 19: 41. (1989) |
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