pampas grass
From Longman Dictionary of Contemporary EnglishRelated topics: Plantspampas grassˈpampas grass noun [uncountable] HBPa type of tall grass with silver-white feathery flowersExamples from the Corpuspampas grass• He was laid down on brittle pampas grass and then manhandled by the creatures.• A quite awful vase in one corner, full of dried pampas grass.