The Sego Lily, Calochortus nuttallii, is a bulbous perennial which is endemic to the Western United States. It is the state flower of Utah.
NEVADA: The Silver State
The Sego Lily has 1 to 4 flowers, each with 3 white petals (and 3 sepals) which are tinged with lilac (occasionally magenta) and have a purplish band radiating from the yellow base. These appear in early summer. Plants are around 15 cm (6 inches) in height and have linear leaves.