Black-stemmed Goldendrop vs Blistering Ammania

Onosma nigricaulis compared with Ammannia baccifera

Key Differences

• Black-stemmed Goldendrop is Critically Endangered while Blistering Ammania is Least Concern.

Taxonomic Classification

Rank	Black-stemmed Goldendrop	Blistering Ammania
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Boraginales (Boraginales)	Myrtales (Myrtales)
Family	Boraginaceae	Lythraceae
Genus	Onosma	Ammannia
Species	Onosma nigricaulis	Ammannia baccifera

Evolutionary Relationship

Black-stemmed Goldendrop and Blistering Ammania share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Black-stemmed Goldendrop

CR — Critically Endangered

Blistering Ammania

LC — Least Concern

Physical Characteristics

Attribute	Black-stemmed Goldendrop	Blistering Ammania
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-stemmed Goldendrop

Habitat

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

Blistering Ammania

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and mangrove forests and coastal wetlands, among 4 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (5 countries), Europe (Greece, Italy, North Macedonia), and Oceania and the Pacific (Palau).

Black-stemmed Goldendrop

The Black-stemmed Goldendrop (Onosma nigricaulis) is a species in the genus Onosma. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Blistering Ammania

The Blistering Ammania (Ammannia baccifera) is a species in the genus Ammannia. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and mangrove forests and coastal wetlands, among 4 distinct biome types spanning the Indomalayan and Oceanian