liliaceous plant vs May lily

Other hyponyms of liliaceous plant include lily, agapanthus, lily of the Nile, albuca, colic root, colicroot, crow corn, star grass, unicorn root, alliaceous plant, alstroemeria, Amianthum muscaetoxicum, Amianthum muscitoxicum, fly poison, Anthericum liliago, Saint-Bernard's-lily, amber lily, Anthericum torreyi, asphodel, Bloomeria crocea, golden star, golden stars, brodiaea, mariposa, mariposa lily, mariposa tulip, fairy lantern, globe lily, cat's-ear, Calochortus nuttallii, sego lily, camas, camash, camass, camosh, quamash, dog's-tooth violet, dogtooth, dogtooth violet, avalanche lily, Erythronium montanum, tulip, day lily, daylily, hyacinth, bluebell, harebell, Hyacinthoides nonscripta, Scilla nonscripta, wild hyacinth, wood hyacinth, grape hyacinth, scilla, squill, false asphodel, sea onion, sea squill, squill, Urginea maritima, bog asphodel, false hellebore, hellebore, bear grass, squaw grass, Xerophyllum tenax, death camas, zigadene, trillium, wake-robin, wood lily, Convallaria majalis, lily of the valley, Clinton's lily, clintonia, lily turf, lilyturf, Liriope muscari, false lily of the valley, Maianthemum canadense, false lily of the valley, Maianthemum bifolium, Solomon's-seal.