Herbarium of the Ancients — Detailed Record

Aspidosperma quebracho-blanco

Read before use: the information below describes traditional and informational uses — it does not replace the advice of a healthcare professional. In case of doubt, pregnancy, breastfeeding, ongoing treatment, or use in children, seek advice before use.

Enhanced precautions for this plant: Bark rich in alkaloids (including yohimbine and related compounds): never exceed occasional use supervised by a qualified professional. Not recommended during pregnancy, breastfeeding, in children, or in cases of hypertension, cardiac or psychiatric disorders. Possible interactions with antihypertensive medications, antidepressants, and other drugs affecting the nervous system: seek medical advice before any use. Do not confuse with other species called 'quebracho' (red or colorado), which have different properties.

Decoction — Dried bark

Traditional bark decoction

In traditional Chaco folk uses, crushed bark was gently boiled then left to infuse before being consumed in small quantities. Due to the content of active alkaloids, this preparation must be carried out under the supervision of a trained professional. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Tincture — Bark

Bark tincture

The bark was also macerated in alcohol to obtain a concentrated tincture, reserved for occasional and cautious use. A healthcare professional or experienced herbalist should be consulted to determine the relevance and dosage of this form. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Powder — Dried and ground bark

Bark powder

Reduced to fine powder, the bark could be incorporated in very small quantities into traditional preparations. This concentrated form absolutely requires professional advice before any use. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Where to find it

Sourcing the plant

Quebracho blanco is found wild in the arid regions of the Chaco (Argentina, Paraguay, Bolivia); its dried bark is sometimes available from specialist herbalists dealing in South American plants.

← Back to profile