Asiatic tearthumb vs Curlytop Knotweed

Persicaria perfoliata compared with Persicaria lapathifolia

Key Differences

Asiatic tearthumb is Not Evaluated while Curlytop Knotweed is Least Concern.

Taxonomic Classification

Rank	Asiatic tearthumb	Curlytop Knotweed
Kingdom same	Plantae (plantas)	Plantae (plantas)
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 lapathifolia

Evolutionary Relationship

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

View Genus: Persicaria

Conservation Status

Asiatic tearthumb

NE — Not Evaluated

Curlytop Knotweed

LC — Least Concern

Physical Characteristics

Attribute	Asiatic tearthumb	Curlytop 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).

Curlytop Knotweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, flooded grasslands and savannas, and deserts and xeric shrublands spanning the Australasia and Afrotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Madagascar, Namibia, South Africa), Europe (10 countries), North America (United States), Oceania and the Pacific (Papua New Guinea), and South America (Brazil).

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).