Botanical Overview
Quebracho (Aspidosperma quebracho-blanco) belongs to the Apocynaceae family. Limited but reliable traditional records indicate this plant has recognized medicinal applications in one or more healing traditions. The dogbane family (Apocynaceae) includes herbs, shrubs, vines, and trees with milky sap containing alkaloids and cardiac glycosides. The flowers are typically five-petaled and often showy with a tubular corolla. Many species in this family are highly toxic but also source of important cardiac medications.

General Description
It must not be confused with other species also known as quebracho, but belonging to the genus Schinopsis.
Family Context
The Apocynaceae family is primarily tropical and subtropical. Notable medicinal members include:
- Alstonia scholaris — 42 documented uses
- Madagascar Periwinkle — 40 documented uses
- Oleander — 30 documented uses
- African Snakeroot — 28 documented uses
Geographic Distribution
Quebracho has been recorded in 10 countries and territories worldwide, including Argentina, Bolivia, Brazil, Cape Verde, Spain, and others.
Traditional Uses
Quebracho has been traditionally used for respiratory conditions, fever management, and metabolic and nutritional health.
Respiratory conditions.
- Asthma
Respiratory conditions are addressed through steam inhalation of the herb’s vapors or internal use as a warm tea. The hot infusion acts as an expectorant, helping to loosen phlegm and clear congestion. Some traditions combine it with honey for coughs.
Fever management.
- Malaria
- Fever
Febrifuge preparations are typically administered as hot teas to induce perspiration, which helps the body regulate temperature. The patient is kept warm and encouraged to rest while the herb promotes sweating.
Metabolic and nutritional health.
- Tonic
Metabolic applications include consuming the plant as a food, fresh juice, or herbal infusion. Regular use supports the body’s natural metabolic processes and nutritional status.
Active Compounds
Phytochemical research has identified 30 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).
The identified compounds include the following categories:
- Sterol: cholesterol-like compounds with anti-inflammatory properties
- Alkaloid: nitrogenous compounds with diverse pharmacological activities