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Polygonaceae
Polygonum

not marked as a favorite taxon *Polygonum arenastrum Boreau. Common name: Dooryard Knotweed. Phenology: Jun-Oct. Habitat: Bottomlands, marshes, disturbed areas. Distribution: Native of Europe.

Glossary (beta!)

Origin/Endemic status: Eurasia

Synonymy ⓘ: = C, GrPl, Il, K1, Mi, NS, POWO, Tx; = Polygonum aviculare L. ssp. depressum (Meisn.) Arcang. — Ar, Can, FNA5, K4, Mo3, NE, NY, Costea & Tardif (2003a); = Polygonum aviculare L. var. depressum Meisn.; < Polygonum aviculare L. — Fl4, G, NcTx, Pa, RAB, Tat, Tn, Va, WH3. Basionym: Polygonum arenastrum Boreau 1857

Links to other floras: = Polygonum aviculare ssp. depressum - FNA5

Show in key(s)

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: FACU (taxonomic split from wetland indicator species)
  • Great Plains: FACU (taxonomic split from wetland indicator species)
  • Midwest: FAC (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily ⓘ: 9

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image #1 of Polygonum arenastrum© Erik Danielson source | Original Image ⭷
image #2 of Polygonum arenastrum© Erik Danielson source | Original Image ⭷
image #3 of Polygonum arenastrum© Erik Danielson source | Original Image ⭷
image #4 of Polygonum arenastrum© Erik Danielson source | Original Image ⭷
image #5 of Polygonum arenastrum© Erik Danielson source | Original Image ⭷
image #6 of Polygonum arenastrum© Erik Danielson source | Original Image ⭷

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Horticultural Information

No horticultural data found for this taxon.