Justicia_procumbens
Rostellularia procumbens
Species of flowering plant
Rostellularia procumbens, commonly known as water willow (Marathi: करंबल, romanized: Karambal, पित्तपापडा, Pitpapada, कलमाशी, Kalmashi,[2]Tamil: கோடகசாலை, romanized: Kōṭakacālai), is a small flowering plant native to the Indian subcontinent, Indochina, China, Peninsular Malaysia, Sumatra, Java, Sulawesi, the Philippines, Japan, and Korea.[1] It is found in higher elevations, commonly in humid areas.
The leaves' juice can be squeezed in the eyes in cases of ophthalmia.[3]