Calochortus eurycarpus

Calochortus eurycarpus (white mariposa lily) is a North American species of flowering plant in the lily family. It is native to the western United States: Montana, Idaho, eastern Oregon, western Wyoming, northeastern Nevada (Box Elder County) and southeastern Washington (Asotin County + Garfield County).^[1][2][3]

Calochortus eurycarpus
In Sawtooth Wilderness, Idaho
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Liliales
Family:	Liliaceae
Genus:	Calochortus
Species:	C. eurycarpus
Binomial name
Calochortus eurycarpus S.Watson
Synonyms[1]
Calochortus nitidus var. eurycarpus (S.Watson) Hend. Calochortus parviflorus Nutt. ex Baker Calochortus euumbellatus A.Nelson Calochortus umbellatus A.Nelson 1912, illegitimate homonym not Alph. Wood 1868

Calochortus eurycarpus is a bulb-forming perennial with straight stems up to 50 cm tall. Flowers are white or pale lavender (or rarely pink) with a conspicuous reddish-purple blotch on the inside of each petal.^[4]