Vachellia astringens

Vachellia astringens
A slender tree with a brown trunk, and green pods, growing in a field
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Caesalpinioideae
Clade: Mimosoid clade
Genus: Vachellia
Species:
V. astringens
Binomial name
Vachellia astringens
Synonyms[2]
  • Acacia atramentaria Benth.
  • Acacia farnesiana var. atramentaria (Benth.) Kuntze
  • Prosopis astringens Gillies ex Hook. & Arn.
  • Acacia prosopoma O.Schnyd.

Vachellia astringens is a species of flowering plant in the family Fabaceae. It is a tree native to south America. The species was described in 1833, and is listed as of Least Concern by the IUCN.

Taxonomy

The species was described as Prosopis astringens by William Jackson Hooker and George Arnott Walker Arnott in 1833, following an earlier, invalid publication by John Gillies. In 1924, Carlo Luigi Spegazzini moved the species from Prosopis to Vachellia.[2][3]

Distribution

Vachellia astringens is native to the subtropical biome of north-east and north-west Argentina, southern Brazil, northern Chile, Paraguay, and Uruguay.[2] The species grows in forests and shrublands, at elevations of up to 1,000 metres (3,300 ft).[1]

Description

Vachellia astringens is a tree.[2]

Uses

The wood is used, and the bark is used for tanning.[1]

Conservation

In 2020, the IUCN assessed Vachellia astringens as of Least Concern. It has a wide distribution, and the population is thought to be large. The species is present in protected areas.[1]

Nomenclature

In Argentine Spanish, the species is known as Espinillo negro.[4]

References

  1. 1 2 3 4 IUCN SSC Global Tree Specialist Group; Botanic Gardens Conservation International (BGCI) (2025). "Vachellia astringens". IUCN Red List of Threatened Species. 2025 e.T198984118A243328776. doi:10.2305/IUCN.UK.2025-2.RLTS.T198984118A243328776.en. Retrieved 2026-08-12.
  2. 1 2 3 4 "Vachellia astringens". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2026-08-12.
  3. ↑ "Vachellia astringens Speg". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens.
  4. ↑ "Vachellia astringens (Gillies) Speg". CatalogueOfLife.org. Catalogue of Life. Retrieved 12 August 2026.
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