Blue star vs Curled Thistle

Amsonia orientalis compared with Carduus crispus

Key Differences

• Blue star is Critically Endangered while Curled Thistle is Least Concern.

Taxonomic Classification

Rank	Blue star	Curled Thistle
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	Carduus
Species	Amsonia orientalis	Carduus crispus

Evolutionary Relationship

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

Conservation Status

Blue star

CR — Critically Endangered

Curled Thistle

LC — Least Concern

Physical Characteristics

Attribute	Blue star	Curled Thistle
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.

Curled Thistle

Habitat

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

Range

Widely distributed across Asia (Japan, North Korea), Europe (7 countries), and North America (Canada, 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.