(Justicia procumbens riukiuensis)
Justicia procumbens,commonly known as Water Willow,(Marathi: करंबल Karambal,पित्तपापडा Pitpapada,कलमाशी Kalmashi)(Tamil:கோடகசாலை--kOdakasAlai),is a small plant endemic to India.The juice of leaves is squeezed in the eyes in case of ophthalmia