Black Dog-Strangling Vine vs common vincetoxicum

Vincetoxicum nigrum compared with Vincetoxicum hirundinaria

Key Differences

• Black Dog-Strangling Vine is Not Evaluated while common vincetoxicum is Extinct.

Taxonomic Classification

Rank	Black Dog-Strangling Vine	common vincetoxicum
Kingdom same	Plantae (plantas)	Plantae (plantas)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Gentianales (Gentianales)	Gentianales (Gentianales)
Family same	Apocynaceae	Apocynaceae
Genus same	Vincetoxicum	Vincetoxicum
Species	Vincetoxicum nigrum	Vincetoxicum hirundinaria

Evolutionary Relationship

Black Dog-Strangling Vine and common vincetoxicum share a common ancestor at the Genus level: Vincetoxicum.

Conservation Status

Black Dog-Strangling Vine

NE — Not Evaluated

common vincetoxicum

EX — Extinct

Physical Characteristics

Attribute	Black Dog-Strangling Vine	common vincetoxicum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Dog-Strangling Vine

Habitat

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

Range

Found across Europe (7 countries) and North America (Canada, United States).

common vincetoxicum

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).

Black Dog-Strangling Vine

The Black Dog-Strangling Vine (Vincetoxicum nigrum) is a species in the genus Vincetoxicum. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Found across Europe (7 countries) and North America (Canada, United States).

common vincetoxicum

<em>Vincetoxicum hirundinaria</em>, commonly known as common vincetoxicum or white swallowwort, is a perennial herbaceous plant in the family Apocynaceae (subfamily Asclepiadoideae) that was historically distributed across much of Europe and western Asia. The species typically grew in dry calcareous grasslands, rocky slopes, scrubland, and open woodland edges, particularly on warm, south-facing habitats with shallow soils rich in lime. <em>Vincetoxicum hirundinaria</em> is characterized by twining stems, opposite ovate leaves, and small, star-shaped white to pale yellow flowers produced in summer, followed by elongated seed pods that release wind-dispersed seeds with silky hairs. As a member of the milkweed subfamily, it historically served as a larval host plant for certain specialized butterfly species in Europe, contributing to local food web dynamics. The plant is notable for containing toxic alkaloids and glycosides that were historically used in folk medicine. Tragically, <em>Vincetoxicum hirundinaria</em> is currently assessed as Extinct by the IUCN, having been lost from the regions where it was previously documented. The factors contributing to its extinction likely include habitat destruction, agricultural intensification, and loss of calcareous grassland habitats across Europe. Biological traits such as average lifespan, plant dimensions, and precise weight remain poorly documented in historical records.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇨🇦 Canada 🇩🇰 Denmark 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇸 United States