Blue star vs slender thistle

Amsonia orientalis compared with Carduus tenuiflorus

Key Differences

• Blue star is Critically Endangered while slender thistle is Near Threatened.

Taxonomic Classification

Rank	Blue star	slender 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 tenuiflorus

Evolutionary Relationship

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

Conservation Status

Blue star

CR — Critically Endangered

slender thistle

NT — Near Threatened

Physical Characteristics

Attribute	Blue star	slender 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.

slender thistle

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (7 countries), North America (United States), Oceania and the Pacific (Australia), and South America (Argentina, Brazil, Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.