Blue star vs Squarrose knapweed

Amsonia orientalis compared with Centaurea virgata

Key Differences

• Blue star is Critically Endangered while Squarrose knapweed is Not Evaluated.

Taxonomic Classification

Rank	Blue star	Squarrose knapweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Asterales (Daisies & Sunflowers)
Family	Apocynaceae	Asteraceae (Daisy Family)
Genus	Amsonia	Centaurea
Species	Amsonia orientalis	Centaurea virgata

Evolutionary Relationship

Blue star and Squarrose knapweed share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Blue star

CR — Critically Endangered

Squarrose knapweed

NE — Not Evaluated

Physical Characteristics

Attribute	Blue star	Squarrose knapweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue star

Habitat

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

Squarrose knapweed

Habitat

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

Range

Distributed across France, Sweden, and United States.

Blue star

The Blue star (Amsonia orientalis) is a species in the genus Amsonia. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.