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. Fruit a tomentose legume. Flowers May-July. 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.