liliaceous plant - plant growing from a bulb or corm or rhizome or tuber

genus Alstroemeria - genus of showy South American herbs with leafy stems; sometimes placed in family Alstroemeriaceae or in family Amaryllidaceae

Alstroemeria pelegrina, lily of the Incas, Peruvian lily - an Andean herb having umbels of showy pinkish-purple lilylike flowers