| Noun | 1. | genus Alstroemeria - genus of showy South American herbs with leafy stems; sometimes placed in family Alstroemeriaceae or in family Amaryllidaceae liliid monocot genus - genus of monocotyledonous plants comprising mostly herbs having usually petaloid sepals and petals and compound pistils family Liliaceae, Liliaceae, lily family - includes species sometimes divided among the following families: Alliaceae; Aloeaceae; Alstroemeriaceae; Aphyllanthaceae; Asparagaceae; Asphodelaceae; Colchicaceae; Convallariaceae; Hemerocallidaceae; Hostaceae; Hyacinthaceae; Melanthiaceae; Ruscaceae; Smilacaceae; Tecophilaeacea; Xanthorrhoeaceae alstroemeria - any of various South American plants of the genus Alstroemeria valued for their handsome umbels of beautiful flowers Alstroemeria pelegrina, lily of the Incas, Peruvian lily - an Andean herb having umbels of showy pinkish-purple lily-like flowers |