12a-hydroxydolineone (30) and dehydroneotenone (28) in P. erosus. To our knowledge, none of these isolated compounds had been reported for D. heterophyllum and C. palala. While the occurrence of these flavone derivatives in Leguminosae species was expected , the Connaraceae family (C. palala) has not been subject to extensive phytochemical investigation and this is the first reported occurrence of rotenoids in this family.