Schinopsis lorentzii is a South American tree species that inhabits the Gran Chaco ecoregion in the north of Argentina, Bolivia and Paraguay. It is known as quebracho colorado, quebracho colorado santiagueño, and other names in Spanish. [1]

Source: Libro del Árbol, Tome II, edited by Celulosa Argentina S. A., Buenos Aires, Argentina, October 1975. The visual material is not explicitly copyrighted, but the editors thank Mr. Jorge Vallmitjana for his "photographic contribution".

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