Copaifera langsdorffii, also known as the diesel tree, is a tropical rainforest tree. It has many names in local languages, including kupa'y, cabismo, and copaúva.
C. langsdorffii is a medium-sized to large tree usually reaching 12 m (39 ft) in height, with white flowers and small, oily fruits. The wood is light due to its porosity, and it is honeycombed with capillaries filled with oil. Tapping the tree involves cutting a well into which the oil seeps and where it can be easily collected. The tree ...