Dipteryx odorata

Uncommon card · No. 97644

Dipteryx odorata (commonly known as "cumaru", "kumaru", or "Brazilian teak") is a species of flowering tree in the pea family, Fabaceae. The tree is native to Northern South America and is semi-deciduous. Its seeds are known as tonka beans, sometimes spelled tonkin beans or tonquin beans (not related to Tonkin). The seeds are black and wrinkled and have a smooth, brown interior. They have a strong fragrance similar to that of sweet woodruff due to their high content of coumarin. The word tonka is taken from the Galibi (Carib) tongue spoken by natives of French Guiana; it also appears in Tupi, another language of the same region, as the name of the tree. The old genus name, Coumarouna, was formed from another Tupi name for the tree, kumaru. Many anticoagulant prescription drugs, such as warfarin, are based on 4-hydroxycoumarin, a chemical derivative of coumarin initially isolated from spoiled sweet clover silage and producible from this bean. Coumarin itself, however, does not have anticoagulant...

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