American Tearthumb vs Hairy Knotweed

Persicaria sagittata compared with Persicaria attenuata

Taxonomic Classification

Rank	American Tearthumb	Hairy Knotweed
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class same	Magnoliopsida (モクレン綱)	Magnoliopsida (モクレン綱)
Order same	Caryophyllales (ナデシコ目)	Caryophyllales (ナデシコ目)
Family same	Polygonaceae	Polygonaceae
Genus same	Persicaria	Persicaria
Species	Persicaria sagittata	Persicaria attenuata

Evolutionary Relationship

American Tearthumb and Hairy Knotweed share a common ancestor at the Genus level: Persicaria.

Conservation Status

American Tearthumb

LC — Least Concern

Hairy Knotweed

LC — Least Concern

Physical Characteristics

Attribute	American Tearthumb	Hairy Knotweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Tearthumb

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (Canada, United States).

Hairy Knotweed

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in South Africa.

American Tearthumb

The American Tearthumb (Persicaria sagittata) is a species in the genus Persicaria. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.