owl's-eye vs Pott's Nipple-cactus

Mammillaria parkinsonii compared with Mammillaria pottsii

Key Differences

• owl's-eye is Endangered while Pott's Nipple-cactus is Least Concern.

Taxonomic Classification

Rank	owl's-eye	Pott's Nipple-cactus
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	Cactaceae	Cactaceae
Genus same	Mammillaria	Mammillaria
Species	Mammillaria parkinsonii	Mammillaria pottsii

Evolutionary Relationship

owl's-eye and Pott's Nipple-cactus share a common ancestor at the Genus level: Mammillaria.

Conservation Status

owl's-eye

EN — Endangered

Pott's Nipple-cactus

LC — Least Concern

Physical Characteristics

Attribute	owl's-eye	Pott's Nipple-cactus
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

owl's-eye

Habitat

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

Range

Distributed across Brazil and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Pott's Nipple-cactus

Habitat

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