umbrella plant Meaning, Definition & Usage

1. noun 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
   Peltiphyllum peltatum; Darmera peltata; Indian rhubarb.
   
2. noun late blooming perennial plant of shale barrens of Virginia having flowers in flat-topped clusters
   Eriogonum allenii.
   
3. noun African sedge widely cultivated as an ornamental water plant for its terminal umbrellalike cluster of slender grasslike leaves
   umbrella sedge; Cyperus alternifolius.
   

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