Calochortus nuttallii, also known as the sego lily, is a bulbous perennial plant that is endemic to the Western United States. The common name of sego comes from a similar Shoshone word. It is the state flower of Utah.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/biology/taxa/species/calochortus-nuttallii/en.wikipedia.org.md