Quebrachia morongii Britton Schinopsis balansae var.

pendula Tortorelli Schinopsis balansae is a hardwood tree known as willow-leaf red quebracho[4] which forms forests in the subtropical Humid Chaco ecoregion of north-eastern Argentina, and Paraguay.

Other species, like Schinopsis lorentzii, bear the general name quebracho and have similar properties and uses.

S. balansae shares its habitat with a species of the same genus, S. heterophylla, and the two are often confused.

[5] Leuco-fisetinidin, a flavan-3,4-diol (leucoanthocyanidin) and a monomer of the condensed tannins called profisetinidins, can be extracted from the heartwoods of S.