Altai Onion vs Black-Lined Periwinkle

Allium altaicum compared with Littorina saxatilis

Key Differences

• Altai Onion is Near Threatened while Black-Lined Periwinkle is Least Concern.

Taxonomic Classification

Rank	Altai Onion	Black-Lined Periwinkle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Mollusca (Mollusks)
Class	Liliopsida (Monocots)	Gastropoda (Gastropoda)
Order	Asparagales (Asparagales)	Littorinimorpha (Littorinimorpha)
Family	Amaryllidaceae	Littorinidae
Genus	Allium	Littorina
Species	Allium altaicum	Littorina saxatilis

Conservation Status

Altai Onion

NT — Near Threatened

Black-Lined Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Altai Onion	Black-Lined Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Altai Onion

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Black-Lined Periwinkle

Habitat

Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Namibia, South Africa), Europe (5 countries), and North America (United States).

Altai Onion

The Altai Onion (Allium altaicum) is a species in the genus Allium. It is currently classified as Near Threatened on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Black-Lined Periwinkle

The Black-Lined Periwinkle (Littorina saxatilis) is a species in the genus Littorina. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.