Vitex megapotamica is a hardwood fruit tree found in Argentina, Paraguay, Uruguay, and southern Brazil.

[5] Its bark is coloured dark grey; its compound leaves have a long petiole and five elliptic leaflets.

[5] The small, abundant flowers developed into fleshy stone fruit.

The fruits are eaten by a number of species, and serve also as fishing bait.

[5] In Brazil, its common names include azeitona do mato (forest olive), azeitona brava, cinco folhas (five leaves), copiúba, sombra de touro (bull's shadow), and tarumã romã (tarumã pomegranate).