Black-calyx milk vetch vs Castetter's Milkvetch

Astragalus nigrocalycinus compared with Astragalus castetteri

Key Differences

• Black-calyx milk vetch is Critically Endangered while Castetter's Milkvetch is Near Threatened.

Taxonomic Classification

Rank	Black-calyx milk vetch	Castetter's Milkvetch
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class same	Magnoliopsida (モクレン綱)	Magnoliopsida (モクレン綱)
Order same	Fabales (マメ目)	Fabales (マメ目)
Family same	Fabaceae	Fabaceae
Genus same	Astragalus	Astragalus
Species	Astragalus nigrocalycinus	Astragalus castetteri

Evolutionary Relationship

Black-calyx milk vetch and Castetter's Milkvetch share a common ancestor at the Genus level: Astragalus.

Conservation Status

Black-calyx milk vetch

CR — Critically Endangered

Castetter's Milkvetch

NT — Near Threatened

Physical Characteristics

Attribute	Black-calyx milk vetch	Castetter's Milkvetch
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-calyx milk vetch

Habitat

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

Castetter's Milkvetch

Habitat

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

Black-calyx milk vetch

The Black-calyx milk vetch (Astragalus nigrocalycinus) is a species in the genus Astragalus. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Castetter's Milkvetch

The Castetter's Milkvetch (Astragalus castetteri) is a species in the genus Astragalus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.