Two new flavones, 5,7,2'-trihydroxy-6,4'-dimethoxyflavone (tamaridone)
and 5,2',4'-trihydroxy-6,7,8-trimethoxyflavone (tamadone) have been i
solated from the aerial parts of Tamarix dioica, along with hexacosyl-
p-coumarate, gardenins A, B, C and E, nevadensin A and apigenin. Garde
nin B exhibited antiviral activity and anti-invasive activity against
solid tumours.