Epena is a city and seat of Epena District in the Likouala Region of northeastern Republic of the Congo.

Virola is a genus of medium-sized trees native to the South American rainforest and closely related to other Myristicaceae, such as nutmeg. Species are known commonly as epená, patricá, or cumala. They have glossy, dark green leaves and clusters of tiny yellow flowers, and may emit a pungent odor.