pale smartweed USDA PLANTS Symbol: PELA22
U.S. Nativity: Native
Habit: Forbs/Herbs
Persicaria lapathifolia (L.) S.F. Gray

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Taxonomic Rank: Magnoliopsida: Polygonales: Polygonaceae
Synonym(s): curlytop knotweed, curltop ladysthumb, curlytop smartweed, dock-leaf smartweed, nodding smartweed, pale smartweed, smartweed

Selected Images from Invasive.orgView All Images at Invasive.org


Infestation; infestation in an irrigation canal.
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Flower(s); flowering stem.
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s); Fruits, some with perianth tissue still attached.
D. Walters and C. Southwick, USDA, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s); Looking down on the base of the fruit.
D. Walters and C. Southwick, USDA, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s); Lateral view of a biconcave fruit with the apex and stylar remnant at the top.
D. Walters and C. Southwick, USDA, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s); Looking down on the apex of the fruit.
D. Walters and C. Southwick, USDA, Bugwood.org
Additional Resolutions & Image Usage

EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org
 


State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.

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Invasive Listing Sources:
Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007