Genus Polygonum L.


Summary
Genus number:
9711
Last updated:
1 August 2025
Family:
Polygonaceae
Subfamily:
Polygonoideae
Tribe:
Polygoneae
Common name(s):

knotweed
Accession count:

25 (4  active, 1  available) in National Plant Germplasm System
Comments:
conserved (nom. cons.) with a conserved type (Madrid ICN Art. 14.9 & App. III)


Synonyms
Synonym(s) Possible synonym(s)

Images (14 total. Click on image for more.)
Embryo drawing

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References:
  1. Yurtseva, O. V. et al. 2017. Persepolium (Polygoneae): a new genus in Polygonaceae based on conventional maximum parsimony and three-taxon statement analyses of a comprehensive morphological dataset. Phytotaxa 314:151-194. DOI: 10.11646/phytotaxa.314.2.1.
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomygenus?id=9711. Accessed 15 April 2026.