Black-stemmed Goldendrop vs Centuryplant

Onosma nigricaulis compared with Agave americana

Key Differences

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

Taxonomic Classification

Rank	Black-stemmed Goldendrop	Centuryplant
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Boraginales (Boraginales)	Asparagales (Asparagales)
Family	Boraginaceae	Asparagaceae
Genus	Onosma	Agave
Species	Onosma nigricaulis	Agave americana

Evolutionary Relationship

Black-stemmed Goldendrop and Centuryplant share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Black-stemmed Goldendrop

CR — Critically Endangered

Centuryplant

LC — Least Concern

Physical Characteristics

Attribute	Black-stemmed Goldendrop	Centuryplant
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.

Centuryplant

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (18 countries), Asia (10 countries), Europe (13 countries), North America (Costa Rica), Oceania and the Pacific (7 countries), and South America (5 countries).

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.

Centuryplant

The Centuryplant (Agave americana) is a species in the genus Agave. It is currently classified as Least Concern on the IUCN Red List. Native to ['Albania', 'Algeria', 'Argentina', 'Australia', 'Belgium'].