Native Plants
Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.
Polygonum lapathifolium
Polygonum lapathifolium L.
Curlytop Knotweed, Curl-top Smartweed, Pale Smartweed
Polygonaceae (Buckwheat Family)
Synonym(s): Persicaria incarnata, Persicaria lapathifolia, Persicaria tomentosa, Polygonum incanum, Polygonum incarnatum, Polygonum lapathifolium ssp. pallidum, Polygonum lapathifolium var. incanum, Polygonum lapathifolium var. nodosum, Polygonum lapathifolium var. ovatum, Polygonum lapathifolium var. prostratum, Polygonum lapathifolium var. salicifolium, Polygonum nodosum, Polygonum oneillii, Polygonum pensylvanicum ssp. oneillii, Polygonum scabrum, Polygonum tomentosum
USDA Symbol: pola4
USDA Native Status: L48 (N), AK (I), CAN (I), GL (I), SPM (I)
Polygonum lapathifolium has arching, white or pale rose flower spikes and usually smooth stems.
Bloom Information
Bloom Color: White , Pink , PurpleBloom Time: Jul , Aug , Sep , Oct
Distribution
USA: AK , AL , AR , AZ , CA , CO , CT , DC , DE , FL , GA , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , UT , VA , VT , WA , WI , WV , WYCanada: NB , NS , PE
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | FACW | FAC | FACW | FACW | OBL | FACW | FACW | FACW |
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Native Seed Network - Corvallis, OR
Bibliography
Bibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.Search More Titles in Bibliography
Additional resources
USDA: Find Polygonum lapathifolium in USDA PlantsFNA: Find Polygonum lapathifolium in the Flora of North America (if available)
Google: Search Google for Polygonum lapathifolium
Metadata
Record Modified: 2012-08-21Research By: TWC Staff