One of the top amazon traditional botanicals, it is particularly famous throughout the western Amazon Basin where it is semi cultivated near villages, or wildcrafted. Well noted as a liquid extract with fast-acting general analgesic, anti-inflammatory and muscle relaxing properties. Often called “Trembling Back” this great tree yields a powerful bark. Considered a fine, all purpose anti-inflammatory and anti-rheumatic, it also shows some minor antitumoral and anticancer properties in trials. One study suggest use for patients with skin cancer (3), another (5) demonstrated cytotoxicity against lung carcinonoma. The best known of all jungle remedies for its ability to relax muscles quickly (46) (10-20).