Meaning of PIE PLANT

WordNet Dictionary
	Definition:		[n]  long-cultivated hybrid of Rheum palmatum; stems often cooked in pies or as sauce or preserves
	Websites:
	Synonyms:		garden rhubarb, Rheum cultorum, Rheum rhabarbarum, Rheum rhaponticum
	See Also:		rhubarb, rhubarb plant