Cyperus melanostachyus Kunth (Cyperaceae): A New Report to Indian Flora

During the survey collection of Cyperus species for seed morphometric analysis, an interesting species was collected, which is not matching with any species from Karnataka and India. After identification and seed morphometric studies, it is identified as Cyperus melanostachyus Kunth that is addition to India which is earlier reported from Argentina, Brazil, Mexico, Canada, Calfornia etc with a distinguishing characters like the middle part of the glume is dark brown, margin is green color and arrangement of testa cells on the seed.