lily family

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A large family of plants, the Liliaceae, characterized by showy flowers with six tepals consisting of three petals and three petal-like sepals, parallel-veined leaves, and usually producing bulbs or rhizomes, including ornamentals such as the tulips and the tiger lily.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun includes species sometimes divided among the following families: Alliaceae; Aloeaceae; Alstroemeriaceae; Aphyllanthaceae; Asparagaceae; Asphodelaceae; Colchicaceae; Convallariaceae; Hemerocallidaceae; Hostaceae; Hyacinthaceae; Melanthiaceae; Ruscaceae; Smilacaceae; Tecophilaeacea; Xanthorrhoeaceae