African Blackwood vs Climbing Flat-bean

Dalbergia melanoxylon compared with Dalbergia obovata

Key Differences

• African Blackwood is Near Threatened while Climbing Flat-bean is Least Concern.

Taxonomic Classification

Rank	African Blackwood	Climbing Flat-bean
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Fabales (Legumes & Allies)	Fabales (Legumes & Allies)
Family same	Fabaceae	Fabaceae
Genus same	Dalbergia	Dalbergia
Species	Dalbergia melanoxylon	Dalbergia obovata

Evolutionary Relationship

African Blackwood and Climbing Flat-bean share a common ancestor at the Genus level: Dalbergia.

Conservation Status

African Blackwood

NT — Near Threatened

Climbing Flat-bean

LC — Least Concern

Physical Characteristics

Attribute	African Blackwood	Climbing Flat-bean
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

African Blackwood

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types spanning the Afrotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Cameroon, Chad, Guinea, India, and Mozambique. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Climbing Flat-bean

Habitat

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

African Blackwood

The African Blackwood (Dalbergia melanoxylon) is a species in the genus Dalbergia. It is currently classified as Near Threatened on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types spanning the Afrotropic and.

Climbing Flat-bean

Climbing Flat Bean, Vigna unguiculata subsp. sesquipedalis, commonly known as the Yard-long Bean or Asparagus Bean, is a vigorous climbing legume in the family Fabaceae widely cultivated across tropical and subtropical Asia for its extraordinarily long, edible pods. The pods, reaching up to 60–100 cm in length, are harvested when young and tender and are used extensively in Chinese, Southeast Asian, and South Asian cuisine. The species climbs trellises and poles using tendril-like, twining stems, producing purplish-white flowers that develop into the characteristic pendulous, slender bean pods. Like other Vigna species, it fixes atmospheric nitrogen through symbiotic bacteria in root nodules, improving soil fertility. Climbing Flat Bean is a warm-season crop requiring full sun, high temperatures, and adequate moisture, making it well suited to humid tropical and monsoon climates. It is an important food crop providing protein and vitamins for rural communities across Asia and is cultivated as a commercial vegetable in many tropical countries. The species is also grown in tropical America and Africa. Being a domesticated cultivar complex, its conservation status is not formally assessed in terms of wild populations, though the preservation of genetic diversity in cultivated landraces is an agricultural priority.