Psoralea morisiana Pignatti & Metlesics Bituminaria morisiana is a perennial Mediterranean herb species in the genus Bituminaria.

Leaf, trifoliate with 3 linear, lanceolate, tomentose leaflets.

White flowers in globose flowerheads.

It is endemic to Sardinia where it is restricted to high mountain areas, such as Monte Albo and Monte Corrasi.

The pterocarpans bitucarpin A and B can be isolated from the aerial parts of B. morisiana,[1] erybraedin C from the leaves[2] and morisianine is isolated from the seeds.