Any of several South American trees belonging to the cashew family, with very hard, tannin-rich wood; chiefly the red quebracho (S. lorentzii), used in the tanning of leather. (Genus Schinopsis, family Anacardiaceae.)
Yellow represents the golden land of South America. Blue stands for the ocean separating the country from Spain. Red symbolizes the blood and courage of the people resisting the tyrants. Effective date: 26 November 1861.