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Polygonaceae
Polygonum

not marked as a favorite taxon *Polygonum patulum M. Bieberstein. Common name: Red Knotgrass. Phenology: Jul-Oct. Habitat: On ballast, presumably just a waif. Distribution: Native of Mediterranean Europe and n. Africa.

Glossary (beta!)

Origin/Endemic status: Mediterranean Europe and Africa

Synonymy ⓘ: = FNA5, Il, K4; = n/a — C, Tat. Basionym: Polygonum patulum M.Bieberstein 1808

Links to other floras: = Polygonum patulum - FNA5

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC
  • Eastern Mountains and Piedmont: FAC
  • Great Plains: FACW
  • Midwest: UPL
  • Northcentral & Northeast: FACU

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Horticultural Information

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