Hairy Knotweed vs small water-pepper

Persicaria attenuata compared with Persicaria minor

Taxonomic Classification

Rank	Hairy Knotweed	small water-pepper
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 attenuata	Persicaria minor

Evolutionary Relationship

Hairy Knotweed and small water-pepper share a common ancestor at the Genus level: Persicaria.

Conservation Status

Hairy Knotweed

LC — Least Concern

small water-pepper

LC — Least Concern

Physical Characteristics

Attribute	Hairy Knotweed	small water-pepper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hairy Knotweed

Habitat

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

Range

Found in South Africa.

small water-pepper

Habitat

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

Range

Widely distributed across Africa (Madagascar), Europe (7 countries), North America (Canada), and Oceania and the Pacific (Micronesia, Papua New Guinea).