black-calabash vs Water speedwell

Amphitecna latifolia compared with Veronica anagallis-aquatica

Key Differences

• black-calabash is Least Concern while Water speedwell is Vulnerable.

Taxonomic Classification

Rank	black-calabash	Water speedwell
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Lamiales (Lamiales)	Lamiales (Lamiales)
Family	Bignoniaceae	Plantaginaceae
Genus	Amphitecna	Veronica
Species	Amphitecna latifolia	Veronica anagallis-aquatica

Evolutionary Relationship

black-calabash and Water speedwell share a common ancestor at the Order level: Lamiales. (Lamiales)

Conservation Status

black-calabash

LC — Least Concern

Water speedwell

VU — Vulnerable

Physical Characteristics

Attribute	black-calabash	Water speedwell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

black-calabash

Habitat

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

Range

Distributed across Colombia and Cuba.

Water speedwell

Habitat

Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands, among 6 distinct biome types spanning the Afrotropic and Neotropic realms.

Range

Widely distributed across Africa (Namibia), Asia (Japan), Europe (7 countries), North America (Canada, United States), and South America (4 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.