Native Plants
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Polygonum ramosissimum var. ramosissimum
Polygonum ramosissimum Michx. var. ramosissimum
Bushy Knotweed
Polygonaceae (Buckwheat Family)
Synonym(s): Polygonum allocarpum, Polygonum atlanticum, Polygonum autumnale, Polygonum exsertum, Polygonum interius, Polygonum triangulum
USDA Symbol: PORAR
USDA Native Status: L48 (N), AK (I?), CAN (N)
From the Image Gallery
No images of this plant
Plant Characteristics
Duration: AnnualHabit: Herb
Fruit Type: Achene
Size Notes: Up to about 6 feet tall.
Bloom Information
Bloom Color: White , Pink , Yellow , GreenBloom Time: Jul , Aug , Sep , Oct , Nov
Bloom Notes: Greenish yellow to yellow, rarely white or pink.
Distribution
USA: AR , AZ , CA , CO , CT , DC , DE , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MT , ND , NE , NH , NJ , NM , NV , NY , OH , OK , PA , RI , SC , SD , TN , TX , UT , WA , WI , WYCanada: AB , BC , MB , NB , NS , NT , ON , PE , QC , SK
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 ramosissimum var. ramosissimum in USDA PlantsFNA: Find Polygonum ramosissimum var. ramosissimum in the Flora of North America (if available)
Google: Search Google for Polygonum ramosissimum var. ramosissimum
Metadata
Record Modified: 2022-12-07Research By: TWC Staff