Annual Sunflower vs Blue star

Helianthus annuus compared with Amsonia orientalis

Key Differences

• Annual Sunflower is Not Evaluated while Blue star is Critically Endangered.

Taxonomic Classification

Rank	Annual Sunflower	Blue star
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Asterales (Daisies & Sunflowers)	Gentianales (Gentianales)
Family	Asteraceae (Daisy Family)	Apocynaceae
Genus	Helianthus (Sunflowers)	Amsonia
Species	Helianthus annuus	Amsonia orientalis

Evolutionary Relationship

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

Conservation Status

Annual Sunflower

NE — Not Evaluated

Trend: Stable →

Blue star

CR — Critically Endangered

Physical Characteristics

Attribute	Annual Sunflower	Blue star
Diet	Autotroph	—
Average Lifespan	1 years	—
Average Length	3.0 m	—
Average Weight	—	—

Habitat & Geographic Range

Annual Sunflower

Habitat

Inhabits montane grasslands and shrublands and Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Africa (12 countries), Asia (7 countries), Europe (30 countries), North America (Canada, United States), Oceania and the Pacific (Australia, Marshall Islands), and South America (4 countries).

Blue star

Habitat

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

Annual Sunflower

One of the world's most cultivated flowering plants and an economically critical oilseed crop, sunflowers are native to North America and can reach 3 meters in height with flower heads up to 30 cm across. Their distinctive behavior of tracking the sun — solar heliotropism in young plants — gave them their name. A single sunflower head consists of up to 2,000 tiny individual florets. Global production exceeds 50 million tonnes annually, valued for oil, seeds, and birdfeed.

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.