Asiatic tearthumb vs Nepal Knotweed

Persicaria perfoliata compared with Persicaria nepalensis

Taxonomic Classification

Rank	Asiatic tearthumb	Nepal Knotweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Caryophyllales (Caryophyllales)	Caryophyllales (Caryophyllales)
Family same	Polygonaceae	Polygonaceae
Genus same	Persicaria	Persicaria
Species	Persicaria perfoliata	Persicaria nepalensis

Evolutionary Relationship

Asiatic tearthumb and Nepal Knotweed share a common ancestor at the Genus level: Persicaria.

View Genus: Persicaria

Conservation Status

Asiatic tearthumb

NE — Not Evaluated

Nepal Knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	Asiatic tearthumb	Nepal Knotweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Asiatic tearthumb

Habitat

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

Range

Widely distributed across Asia (Taiwan, Turkey), Europe (Norway, Sweden), North America (Canada, United States), and Oceania and the Pacific (New Zealand, Tuvalu).

Nepal Knotweed

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Malaysia, Taiwan, Timor-Leste), Europe (6 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Papua New Guinea), and South America (Colombia, Venezuela).

Asiatic tearthumb

The Asiatic tearthumb (Persicaria perfoliata) is a species in the genus Persicaria. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Widely distributed across Asia (Taiwan, Turkey), Europe (Norway, Sweden), North America (Canada, United States), and Oceania and the Pacific (New Zealand, Tuvalu).