Calochortus nuttallii
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Calochortus nuttallii Sego lily |
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Monocots |
| Order: | Liliales |
| Family: | Liliaceae |
| Genus: | Calochortus |
| Species: | C. nuttallii |
| Binomial name | |
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Calochortus nuttallii Torr. & A.Gray |
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Calochortus nuttallii, with the common name sego lily, is a bulbous perennial which is endemic to the Western United States.
It is the state flower of Utah.
The plant is native to a number of western states including Idaho, Montana, Wyoming, North Dakota, South Dakota, Nebraska, Nevada, Utah, Colorado, Arizona, and New Mexico.
Calochortus nuttallii are around 15–45 cm (6–18 inches) in height and have linear leaves.
Plants have 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. A yellow petaled form with deep purple bands is known from Petrified Forest National Park. The plant blooms in early summer, with flowers that can be up to 3 inches across.
Calochortus nuttallii is a species within the genus Calochortus, in a sub-group generally referred to as Mariposa Lilies. The specific epithet nuttallii, named for the English botanist and zoologist, Thomas Nuttall, was ascribed to the species by the American botanists John Torrey and Asa Gray when it was officially described in 1857.
A number of former varieties of Calochortus nuttallii have been reclassified as distinct species:
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Wikipedia