SynonymDefinitionAntonym.com - English Synonym Dictionary

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

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