Prioria balsamifera, the agba or tola, is a tall forest tree in the family Fabaceae.

It is native to lowland tropical rainforest in west Africa, from Nigeria southwards to the Congo Basin in Angola, Cameroon, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea, Gabon, scattered or in local pockets, favouring deep soil and plenty of moisture.

It is threatened by habitat loss and over-cutting for timber.

The flowers are small, with four (rarely five) white sepals 2 mm long and no petals; they are produced in panicles.

[4][5][6] [7] Other names for this tree are achi, egba, emongi (Nigeria), tola blanc (Congo-Brazzaville), tola branca (Angola), N'Tola (Zaire).