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

Cypripedium formosanum compared with Cypripedium passerinum

Key Differences

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

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Formosa's Lady's Slipper

EN — Endangered

Franklin’s Lady’s-slipper

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Formosa's Lady's Slipper

Habitat

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

Range

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

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.