Raphia vinifera, the West African piassava palm, bamboo palm or West African bass fibre is a palm tree species in the genus Raphia. It is native to Benin, Gambia, Ghana, Nigeria, Togo, Central African Republic, Cameroon, and Democratic Republic of the Congo ( = Zaire = Congo-Kinshasa). It is particularly abundant along the creeks of Niger Delta, Cross River, Lagos and Ikorodu in Nigeria. The nut contains bitter oil, which has the property of stupefying fish.