This is the state flower of Utah. The name "Sego Lily" is
from an Indian word. In other states the plant is called the
Mariposa Lily (meaning "butterfly").
It blooms for only about a week each year (in late May or early
June), on the dry foothills throughout the state.
The bulbs are edible, and formed an important part of the diet
of early native Americans of this region. They were also used by
early western settlers when other food was scarce.
The plant is named for naturalist Thomas Nuttall (1786 - 1859).
The genus name Calochortus is from two Greek words
meaning "beautiful grass".