A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium, Burke Museum
Hosted by the University of Washington Herbarium, Burke Museum
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Polygonaceae » Polygonum achoreum
Last updated 2/13/2024 by David Giblin.
Polygonum achoreum S.F. Blake[FNA5, HC, HC2]
Blake's knotweed
Publication: Rhodora. 19: 232. 1917.
Origin: Native
selected vouchers: PLU
Notes: FNA5: "Polygonum achoreum frequently is confused with P. erectum. It can be distinguished by its usually homophyllous leaves, its perianth, which is enlarged at the base and constricted above the fruit, its longer perianth tube, and its yellow-green to tan, tubercled achenes."
References: (none)
Synonyms & Misapplied Names:
Polygonum erectum L. ssp. achoreum (S.F. Blake) Á. Löve & D. Löve
