coumarou

tree

Also known as: Coumaruna odorata, Dipteryx odorata, tonka bean tree(Show More)

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June 24, 2026

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tonka beans Tonka beans (*Dipteryx odorata*), which contain coumarin.

The term "coumarou" refers to the tonka-bean tree or its seeds. This tree is native to Guyana and is also known as the couma tree. The seeds of the tonka-bean tree contain coumarin, an organic compound with the scent of new-mown hay. Coumarin is used in perfumes and flavorings and can be synthesized chemically. The couma tree (Couma utilis) is another related tropical South American tree, which also produces an edible fruit.123

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Amazon River
Agriculture and forestry
Other trees, such as the coumarou, or tonka bean (Dipteryx odorata), yield perfumes, flavourings, and pharmaceutical ingredients. However, the rubber and Brazil nut trees produce more-valuable commodities. The rubber tree, for example, has been one of the reasons for the intense penetration and exploitation of the forest. It gave rise…
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Other trees, such as the coumarou, or tonka bean (Dipteryx odorata), yield perfumes, flavourings, and pharmaceutical ingredients. However, the rubber and Brazil nut trees produce more-valuable commodities. The rubber tree, for example, has been one of the reasons for the intense penetration and exploitation of the forest. It gave rise…
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coumarin
…new-mown hay, obtainable from the tonka tree (native to Guyana) or by chemical synthesis. It is used in perfumes and flavourings and for the preparation of other chemicals.
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…new-mown hay, obtainable from the tonka tree (native to Guyana) or by chemical synthesis. It is used in perfumes and flavourings and for the preparation of other chemicals.
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