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 stands for grain and freedom from need. Green symbolizes the forests and hope. Red represents bloodshed and courage. Effective date: 20 March 1989.