For other tree species with similar names, see Algarrobo.
Prosopis nigra (synonym Prosopis algarrobilla) is a South American leguminous tree species that inhabits the Gran Chaco ecoregion , in Argentina and Paraguay. It is known as algarrobo negro in Spanish, which means "black carob tree" . It is also variously called algarrobo dulce, algarrobo morado and algarrobo amarillo .
The tree blossoms in September and October, and gives fruit from November to March. It grows together with the vinalillo tree (Prosopis vinalillo) and under the tops of the palm tree Copernicia alba. Like the other species of this genus, it tolerates arid climate, but can also survive in flooded ground for a long time. The heartwood is dark brown and very heavy, considered noble by local carpenters, also weather resistant, it presents streaks.
Algarrobo negro wood is fairly used for making furniture and barrels. High in tannin, it has been (since colonial era) and is used for leather tanning. The fruit is dehiscent pod, called "algaroba", with a sweet starchy paste inside, which is milled to make flour, and for alcoholic beverages after fermentation.
Commercial timbers: descriptions, illustrations, identification, and information retrieval - H. G. Richter and M. J. Dallwitz
Catalogo Web de especies forestales - Facultad de Ciencias Agrarias, Universidad Nacional de Asuncion (in Spanish)
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article Prosopis nigra