- Any of various bulbous, lilylike tropical American plants of the genus Hymenocallis, having narrow leaves and umbels of white flowers with long thin petals united at the base.
- Any of several bulbous, lilylike East Asian plants of the genus Lycoris, having narrow leaves and umbels of yellow, red, or white flowers with long stamens.
- See crinum.
(plural spider lilies)
- The common name for a number of different plant species within the family Amaryllidaceae and the genera Crinum, Hymenocallis, and Lycoris.