Calochortus ambiguus

Calochortus ambiguus, the Arizona mariposa lily or doubting mariposa lily, is a perennial plant in the lily family (liliaceae) that grows at higher elevations of the Sonoran Desert regions of Arizona, western New Mexico, southern Utah, and Sonora.
"Calochortus ambiguus" is a bulb-forming herb. Flowers are white or very pale lavender, with a green center and reddish-purple anthers.