Blue star vs Pacific false buttonweed

Amsonia orientalis compared with Spermacoce exilis

Key Differences

• Blue star is Critically Endangered while Pacific false buttonweed is Not Evaluated.

Taxonomic Classification

Rank	Blue star	Pacific false buttonweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Gentianales (Gentianales)	Gentianales (Gentianales)
Family	Apocynaceae	Rubiaceae
Genus	Amsonia	Spermacoce
Species	Amsonia orientalis	Spermacoce exilis

Evolutionary Relationship

Blue star and Pacific false buttonweed share a common ancestor at the Order level: Gentianales. (Gentianales)

Conservation Status

Blue star

CR — Critically Endangered

Pacific false buttonweed

NE — Not Evaluated

Physical Characteristics

Attribute	Blue star	Pacific false buttonweed
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.

Pacific false buttonweed

Habitat

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

Range

Widely distributed across Africa (4 countries), Asia (Singapore, Timor-Leste, Vietnam), North America (4 countries), Oceania and the Pacific (7 countries), and South America (Colombia).

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.