A new species of Psammogeton (Apiaceae) found in Jammu district of Jammu and Kashmir, India, is described and illustrated. It is similar to Psammogeton canescens and P. shivalikense but differing from them in having noticeably radical leaves, deeply ternate leave with acuminate apex, pale yellow flowers, an elongated stylopodium, and fruits hairs that are over three times longer than they are wide. Together with the images, a distribution map, comparison of closely related Psammogeton canescens and P. shivalikense with comparable morphologies and phenology, and a key are included.