Franklin’s Lady’s-slipper vs Kumagae-So

Cypripedium passerinum compared with Cypripedium japonicum

Key Differences

• Franklin’s Lady’s-slipper is Vulnerable while Kumagae-So is Endangered.

Taxonomic Classification

Rank	Franklin’s Lady’s-slipper	Kumagae-So
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class same	Liliopsida (単子葉植物綱)	Liliopsida (単子葉植物綱)
Order same	Asparagales (クサスギカズラ目)	Asparagales (クサスギカズラ目)
Family same	Orchidaceae	Orchidaceae
Genus same	Cypripedium	Cypripedium
Species	Cypripedium passerinum	Cypripedium japonicum

Evolutionary Relationship

Franklin’s Lady’s-slipper and Kumagae-So share a common ancestor at the Genus level: Cypripedium.

Conservation Status

Franklin’s Lady’s-slipper

VU — Vulnerable

Kumagae-So

EN — Endangered

Physical Characteristics

Attribute	Franklin’s Lady’s-slipper	Kumagae-So
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Kumagae-So

Habitat

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