- a North American bitter herb (Aletris farinosa) of the lily family, with white or yellow flowers
- any of certain other plants, as butterfly weed, supposed to cure colic
- Any of certain perennial herbs of the genus Aletris, especially A. farinosa of eastern North America, having racemes of small white flowers and rootstocks formerly used to treat colic. Also called star grass.
- Any of various other plants thought to relieve colic.