Polygonum

E273839

plant genus taxon

Polygonum is a genus of flowering plants in the knotweed family, Polygonaceae, that includes many herbaceous species commonly found in temperate regions.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (14)

Label	Occurrences
Polygonum canonical	4
Persicaria	1
Persicaria hydropiper	1
Polygonum amphibium	1
Polygonum arenastrum	1
Polygonum aviculare	1
Polygonum convolvulus	1
Polygonum cuspidatum	1
Polygonum douglasii	1
Polygonum erectum	1
Polygonum hydropiper	1
Polygonum lapathifolium	1
Polygonum persicaria	1
Polygonum sagittatum	1

How this entity was disambiguated

This entity first appeared as the object of triple T2524290 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Polygonum
Context triple: [Polygonaceae, typeGenus, Polygonum]

A. Aphananthe
Aphananthe is a small genus of flowering trees and shrubs known for their hard wood and occurrence in warm temperate to tropical regions.
B. Pipturus
Pipturus is a genus of flowering plants in the nettle order known for its shrubby species, some of which produce fibrous bark and small edible fruits.
C. Boehmeria
Boehmeria is a genus of flowering plants commonly known for species like ramie, which are cultivated for their strong, fibrous stems used in textile production.
D. Poikilospermum
Poikilospermum is a genus of flowering plants in the hemp family Cannabaceae, comprising mostly tropical climbing or scrambling shrubs and small trees.
E. Platystemon
Platystemon is a small genus of flowering plants in the poppy family, best known for the creamcups (Platystemon californicus) native to western North America.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Polygonum
Target entity description: Polygonum is a genus of flowering plants in the knotweed family, Polygonaceae, that includes many herbaceous species commonly found in temperate regions.

A. Aphananthe
Aphananthe is a small genus of flowering trees and shrubs known for their hard wood and occurrence in warm temperate to tropical regions.
B. Pipturus
Pipturus is a genus of flowering plants in the nettle order known for its shrubby species, some of which produce fibrous bark and small edible fruits.
C. Boehmeria
Boehmeria is a genus of flowering plants commonly known for species like ramie, which are cultivated for their strong, fibrous stems used in textile production.
D. Poikilospermum
Poikilospermum is a genus of flowering plants in the hemp family Cannabaceae, comprising mostly tropical climbing or scrambling shrubs and small trees.
E. Platystemon
Platystemon is a small genus of flowering plants in the poppy family, best known for the creamcups (Platystemon californicus) native to western North America.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	plant genus ⓘ taxon ⓘ
belongsToClade	core eudicots ⓘ
class	Magnoliopsida ⓘ
commonName	knotgrass ⓘ knotweed ⓘ
distinguishingFeature	ochrea at leaf nodes ⓘ swollen nodes on stems ⓘ
division	Magnoliophyta ⓘ
etymology	from Greek 'poly' (many) and 'gony' (knee or joint) ⓘ
family	Polygonaceae ⓘ
flowerSymmetry	actinomorphic ⓘ
flowerType	small flowers ⓘ
fruitType	achene ⓘ
habitat	disturbed soils ⓘ meadows ⓘ riverbanks ⓘ roadsides ⓘ
hasSpecies	Polygonum self-linksurface differs ⓘ surface form: Polygonum amphibium Polygonum self-linksurface differs ⓘ surface form: Polygonum arenastrum Polygonum self-linksurface differs ⓘ surface form: Polygonum aviculare Bistorta ⓘ surface form: Polygonum bistorta Polygonum self-linksurface differs ⓘ surface form: Polygonum convolvulus Polygonum self-linksurface differs ⓘ surface form: Polygonum cuspidatum Polygonum self-linksurface differs ⓘ surface form: Polygonum douglasii Polygonum self-linksurface differs ⓘ surface form: Polygonum erectum Polygonum self-linksurface differs ⓘ surface form: Polygonum hydropiper Polygonum self-linksurface differs ⓘ surface form: Polygonum lapathifolium Polygonum self-linksurface differs ⓘ surface form: Polygonum persicaria Polygonum ramosissimum ⓘ Polygonum self-linksurface differs ⓘ surface form: Polygonum sagittatum
hasWeedySpecies	true ⓘ
inflorescenceType	racemes ⓘ spikes ⓘ
isA	angiosperm genus ⓘ eudicot genus ⓘ flowering plant genus ⓘ
kingdom	Plantae ⓘ
leafArrangement	alternate leaves ⓘ
leafType	simple leaves ⓘ
namedBy	Carl Linnaeus ⓘ
nativeTo	temperate regions ⓘ
order	Caryophyllales ⓘ
taxonRank	genus ⓘ
typicalGrowthForm	herbaceous plant ⓘ
usedFor	forage ⓘ traditional medicine ⓘ
yearDescribed	1753 ⓘ

How these facts were elicited

Referenced by (17)

Full triples — surface form annotated when it differs from this entity's canonical label.

Polygonaceae → typeGenus → Polygonum ⓘ

Polygonaceae → includesSpecies → Polygonum ⓘ

this entity surface form: Persicaria hydropiper