Source : WordNet®

umbrella plant
     n 1: rhizomatous perennial herb with large dramatic peltate
          leaves and white to bright pink flowers in round heads
          on leafless stems; colonizes stream banks in the Sierra
          Nevada in California [syn: {Indian rhubarb}, {Darmera
          peltata}, {Peltiphyllum peltatum}]
     2: late-blooming perennial plant of shale barrens of Virginia
        having flowers in flat-topped clusters [syn: {Eriogonum
        allenii}]
     3: African sedge widely cultivated as an ornamental water plant
        for its terminal umbrellalike cluster of slender grasslike
        leaves [syn: {umbrella sedge}, {Cyperus alternifolius}]