Neltuma affinis (formerly Prosopis affinis) is a species of flowering tree in the family Fabaceae, that is native to Argentina, Brazil, Paraguay, and Uruguay.

[1][2][3] Common names include algarrobillo, espinillo, ibopé-morotí, and ñandubay.

It is threatened by habitat loss.

It is a honey plant.

This Mimosoideae-related article is a stub.