Calochortus nuttallii

Sego lily

Secure  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Liliales
Family: Liliaceae
Genus: Calochortus
Species:
C. nuttallii
Binomial name
Calochortus nuttallii
Synonyms
  • Calochortus luteus Nutt.
  • Calochortus rhodothecus Clokey
  • Calochortus watsonii M.E.Jones

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.