The açaí tree (Euterpe oleracea), a slender tropical palm, thrives in humid floodplains and swamps and especially in the mouths of the Amazon and Tocantins rivers in the state of Pará.
Asai palmas (Euterpe oleracea) — slaidi tropu koki, kas aug palieņu līdzenumos un purvos, — visbiežāk sastopamas Paras štatā pie Amazones un Tokantinsas grīvas.