Tucumã is a fruit that has a unique flavour. But it is not, nor citric acid. It’s a sweet taste. It has a seed covered with white flesh.  With the Tucumã some flour, like corn flour, is used to prepare porridge and Cuzcuz in the Northeast Brazil. The Tucumã (Astrocaryum aculeatum) palm tree is also known by the following names: Acaiúra, Acuiuru, Coqueiro-tucumã, Tucum, Tucumã-açu, Tucumã-arara, Tucum-açu, Tucumaí-da-terra-firme, Tucumãí-uaçu, Tucumã-piririca, Tucumã-purupuru and Tucum-do-mato. It is a palm native from Brazil, especially in the Amazon biome. It is up to 20 meters tall, usually solitary. Exploited or cultivated for its edible fruit and palm, for its wood, used to make earrings, oil seeds, used in the kitchen, and also by the leaves, which is extracted tucum fiber, usually in nets and ropes that resist salt water. The indigenous people use the leaves of the palm for making strings of the bows, and fishing nets to sleep.