| Noun | 1. | Rorippa - annual and perennial herbs of damp habitats; cosmopolitan except Antarctica dilleniid dicot genus - genus of more or less advanced dicotyledonous trees and shrubs and herbs Brassicaceae, Cruciferae, family Brassicaceae, family Cruciferae, mustard family - a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives marsh cress, Rorippa islandica, yellow watercress - annual or biennial cress growing in damp places sometimes used in salads or as a potherb; troublesome weed in some localities great yellowcress, Nasturtium amphibium, Rorippa amphibia - perennial herb found on streams and riversides throughout Europe except extreme north and Mediterranean; sometimes placed in genus Nasturtium |