Bitter Flax vs Gray-shanked Douc Langur

Linum catharticum compared with Pygathrix cinerea

Key Differences

• Bitter Flax is Endangered while Gray-shanked Douc Langur is Critically Endangered.

Taxonomic Classification

Rank	Bitter Flax	Gray-shanked Douc Langur
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Malpighiales (Malpighiales)	Primates (Primates)
Family	Linaceae	Cercopithecidae (Old World Monkeys)
Genus	Linum	Pygathrix
Species	Linum catharticum	Pygathrix cinerea

Conservation Status

Bitter Flax

EN — Endangered

Gray-shanked Douc Langur

CR — Critically Endangered

Physical Characteristics

Attribute	Bitter Flax	Gray-shanked Douc Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Flax

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 8 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Argentina, Chile). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bitter Flax

The Bitter Flax (Linum catharticum) is a species in the genus Linum. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 8 distinct biome types spanning the Neotropic and Palearctic