Rotala Indica

In aquarium literature this plant is incorrectly named as Rotala Rotundifolia. It is a native of Asia, later naturalized in the paddy fields of Italy. They have a horizontal creeping stem on wet soil. The dark green aerial leaves are spathulate and 0.5-1 CM long and 0.3-0.5 CM broad. They bear pink flowers on the axes of the leaves. Submerged leaves are spathulate, light green on upper surface and whitish green below. They prefer slightly acidic water.