California Lady's Slipper vs Franklin’s Lady’s-slipper

Cypripedium californicum compared with Cypripedium passerinum

Key Differences

• California Lady's Slipper is Endangered while Franklin’s Lady’s-slipper is Vulnerable.

Taxonomic Classification

Rank	California Lady's Slipper	Franklin’s Lady’s-slipper
Kingdom same	Plantae (Pflanzen)	Plantae (Pflanzen)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Liliopsida (Monocots)	Liliopsida (Monocots)
Order same	Asparagales (Spargelartige)	Asparagales (Spargelartige)
Family same	Orchidaceae	Orchidaceae
Genus same	Cypripedium	Cypripedium
Species	Cypripedium californicum	Cypripedium passerinum

Evolutionary Relationship

California Lady's Slipper and Franklin’s Lady’s-slipper share a common ancestor at the Genus level: Cypripedium.

Conservation Status

California Lady's Slipper

EN — Endangered

Franklin’s Lady’s-slipper

VU — Vulnerable

Physical Characteristics

Attribute	California Lady's Slipper	Franklin’s Lady’s-slipper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

California Lady's Slipper

Habitat

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

Franklin’s Lady’s-slipper

Habitat

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

Range

Distributed across Canada and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

California Lady's Slipper

The California Lady's Slipper (Cypripedium californicum) is a species in the genus Cypripedium. It is currently classified as Endangered on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.