Meaning of TUBER ROOT

Pronunciation:			'toobur root
WordNet Dictionary
	Definition:		[n]  erect perennial of eastern and southern United States having showy orange flowers
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	Synonyms:		Asclepias tuberosa, butterfly weed, chiggerflower, Indian paintbrush, orange milkweed, pleurisy root
	See Also:		milkweed, silkweed