Bear-Grape vs lignum vitae

Arctostaphylos uva-ursi compared with Guaiacum officinale

Key Differences

• Bear-Grape is Least Concern while lignum vitae is Critically Endangered.

Taxonomic Classification

Rank	Bear-Grape	lignum vitae
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Ericales (Ericales)	Zygophyllales (Zygophyllales)
Family	Ericaceae	Zygophyllaceae
Genus	Arctostaphylos	Guaiacum
Species	Arctostaphylos uva-ursi	Guaiacum officinale

Evolutionary Relationship

Bear-Grape and lignum vitae share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Bear-Grape

LC — Least Concern

lignum vitae

CR — Critically Endangered

Physical Characteristics

Attribute	Bear-Grape	lignum vitae
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bear-Grape

Habitat

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

Range

Found across Europe (6 countries) and North America (Canada, United States).

lignum vitae

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Colombia, Cuba, India, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bear-Grape

The Bear-Grape (Arctostaphylos uva-ursi) is a species in the genus Arctostaphylos. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States