Rostellularia procumbens, commonly known as water willow ([1]), is a small flowering plant belonging to the Acanthaceae family. It is native to the Indian subcontinent, Indochina, China, Peninsular Malaysia, Sumatra, Java, Sulawesi, the Philippines, Japan, and Korea. It is found in higher elevations, commonly in humid areas.
The leaves' juice can be squeezed in the eyes in cases of ophthalmia.[2]
This is a prostrate perennial herb with elliptic leaves. Pink flowers are born in terminal cylindrical spikes. Fruit capsule is hairy.
Herbaceous plant growing either erect or decumbent. Seen in or near small water bodies and wet places. [3]