Hippeastrum reginae, the mexican lily, is a flowering perennial herbaceous bulbous plant, in the family Amaryllidaceae, native to Venezuela, Bolivia, Peru and Brazil.
H. reginae grows to 60 cm in height, and has flowers of 12 cm in size.
Described by Carl Linnaeus in 1759, as Amaryllis reginae, it was the type species for the genus. It was transferred to Hippeastrum by William Herbert.