umbrella plant

Noun

• African sedge widely cultivated as an ornamental water plant for its terminal umbrellalike cluster of slender grasslike leaves

• late blooming perennial plant of shale barrens of Virginia having flowers in flat-topped clusters

• 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

Related words

• Synonyms: 
  umbrella sedge , Cyperus alternifolius , Eriogonum allenii , Indian rhubarb , Darmera peltata , Peltiphyllum peltatum