Bitter Flax vs black-calabash

Linum catharticum compared with Amphitecna latifolia

Key Differences

• Bitter Flax is Endangered while black-calabash is Least Concern.

Taxonomic Classification

Rank	Bitter Flax	black-calabash
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Malpighiales (Malpighiales)	Lamiales (Lamiales)
Family	Linaceae	Bignoniaceae
Genus	Linum	Amphitecna
Species	Linum catharticum	Amphitecna latifolia

Evolutionary Relationship

Bitter Flax and black-calabash share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Bitter Flax

EN — Endangered

black-calabash

LC — Least Concern

Physical Characteristics

Attribute	Bitter Flax	black-calabash
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.

black-calabash

Habitat

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

Range

Distributed across Colombia and Cuba.

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

black-calabash

The Black-calabash (Amphitecna latifolia) is a species in the genus Amphitecna. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.