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 » Persicaria hydropiper
Last updated 2/12/2024 by David Giblin.
Persicaria hydropiper (L.) Spach[FNA5, HC2]
smartweed, mild water-pepper
Publication: Hist. Nat. Vég. 10: 536. 1841.
Origin: Introduced from Europe
selected vouchers: WTU
Notes: FNA5: "Herbarium specimens of Persicaria hydropiper often are misidentified as P. punctata. In addition to its minutely roughened and dull achenes, P. hydropiper differs from P. punctata frequently in bearing flowers enclosed in the ocreae, the inflorescences thus appearing somewhat leafy. By contrast, inflorescences of P. punctata generally appear terminal and leafless."
References: (none)
Synonyms & Misapplied Names:
Polygonum hydropiper L.[HC]
Polygonum hydropiper L. var. projectum Stanford
