Native Plants
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Polygonum buxiforme
Polygonum buxiforme Small
Box Knotweed
Polygonaceae (Buckwheat Family)
Synonym(s): Polygonum aviculare var. littorale, Polygonum littorale
USDA Symbol: POBU2
USDA Native Status: L48 (N), AK (N), CAN (N)
From the Image Gallery
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Plant Characteristics
Duration: AnnualHabit: Herb
Fruit Type: Achene
Size Notes: Variable. Stems sometimes unbranched, erect to ascending, up to about 6 inches tall. Also found with numerous, procumbent, mat-forming, extensively branched stems, up to about 6 feet long.
Bloom Information
Bloom Color: White , Pink , GreenBloom Time: Jul , Aug , Sep , Oct , Nov
Distribution
USA: AK , AR , AZ , CO , CT , DC , IA , ID , IL , IN , KS , KY , MA , ME , MN , MO , MT , ND , NE , NH , NJ , NY , OH , OK , OR , PA , RI , SC , SD , TN , VA , VT , WA , WI , WV , WYCanada: NB , NL
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Polygonum buxiforme in USDA PlantsFNA: Find Polygonum buxiforme in the Flora of North America (if available)
Google: Search Google for Polygonum buxiforme
Metadata
Record Modified: 2023-01-12Research By: TWC Staff