Lily usually refers to herbaceous plants of the genus Lilium, with large showy trumpet-shaped flowers. Many species are cultivated as ornamentals.
Many other plants not closely related to lilies are called lilies, usually because their flowers resemble lilies. They include:
African lily, Agapanthus africanus Amazon lily, Eucharis species Arum lily, Araceae, Zantedeschia species Autumn zephyrlily, Zephyranthes candida Aztec lily, Sprekelia species Bead lily: Clintonia Clintonia andrewsiana Clintonia borealis Clintonia uniflora Belladonna lily, Amaryllis Blackberry lily, Belamcanda Blood lily: Haemanthus Scadoxus Blue lily: Agapanthus praecox Nymphaea caerulea Nymphaea violacea Stypandra glauca (nodding blue lily) Thelionema caespitosum (tufted blue lily) Triteleia grandiflora Bluebead lily: Clintonia Clintonia andrewsiana Clintonia borealis Clintonia uniflora Bonnet lily, Nuphar Bugle lily, Watsonia Bush lily, Clivia species Calla lily, Zantedeschia aethiopica Candelabra lily, Brunsvigia josephinae Chocolate lily: Dichopogon strictus Fritillaria biflora Fritillaria camschatcensis Fritillaria lanceolata Clinton's lily, Clintonia Cobra lily: Arisaema species Darlingtonia californica Copperlily, Habranthus species Corn lily: Clintonia borealis Ixia Veratrum Cornish lily, Nerine bowdenii Crimson flag lily, Hesperantha coccinea Daylily (or Day lily), Hemerocallis Fawn lily, Erythronium Flag lily, Hesperantha species Flax lily: Dianella (plant) Phormium Forest lily, Veltheimia bracteata Fortnight lily, Dietes bicolor Foxtail lily, Eremurus robustus Fringe lily, Thysanotus Giant Himalayan lily, Cardiocrinum giganteum Giant spear lily, Doryanthes palmeri Ginger lily: Alpinia Hedychium Guernsey lily: Nerine bowdenii Nerine sarniensis Gymea lily, Doryanthes excelsa Hedgehog lily, Massonia depressa Henderson's fawn lily, Erythronium hendersonii Himalayan cobra lily, Arisaema consanguineum Jacobean lily, Sprekelia species Jersey lily, Amaryllis belladonna Josephine's lily, Brunsvigia josephinae Kaffir lily: Clivia miniata Hesperantha coccinea Lent lily, the wild daffodil Narcissus pseudonarcissus Lily of the Incas, Alstroemeria psittacina Lily of the Nile, Agapanthus praecox Lily of the valley, Convallaria majalis Mariposa lily, Calochortus Natal lily, Clivia miniata Nodding blue lily, Stypandra glauca Paintbrush lily, Haemanthus coccineus Palm lily, Cordyline rubra Paradise lily, Paradisea Parrot lily, Alstroemeria psittacina Peace lily, Spathiphyllum Peruvian lily, Alstroemeria Peruvian swamp lily, Zephyranthes candida Pineapple lily, Eucomis Pink lily leek, Allium oreophilum Pond lily, Nuphar Rain lily: Habranthus Cooperia Zephyranthes Resurrection lily, Lycoris squamigera River lily: Crinum pedunculatum Hesperantha coccinea St. Bernard's lily, Anthericum liliago St. Bruno's lily, Paradisea liliastrum Sand lily: Leucocrinum Pancratium maritimum Veltheimia capensis Scarborough lily, Cyrtanthus elatus Sego lily, Calochortus nuttallii Siberian fawn lily, Erythronium sibiricum Spear lily, Doryanthes palmeri Speckled wood-lily, Clintonia umbellulata Spider lily: Crinum Hymenocallis Lycoris (plant) Spoon lily, Alocasia brisbanensis Star lily: Leucocrinum Surprise lily, Lycoris squamigera Swamp lily, Crinum pedunculatum Tasman flax lily, Dianella tasmanica Tinsel lily, Calectasia Toad lily, Tricyrtis species Torch lily, Kniphofia Trailing lily, Bomarea multiflora Trout lily, Erythronium Tufted blue lily, Thelionema caespitosum Vanilla lily, Arthropodium Water lily or waterlily: Nymphaea Nymphaeaceae White rain lily, Zephyranthes candida Yellow trout lily, Erythronium americanum
Classification Darlingtonia californica is a eudicot. Nuphar and Nymphaea are genera in the Nymphaeaceae family of order Nymphaeales, and are basal angiosperms. All other plants listed here are monocots.