Erythronium Oregonum. Is a species of flowering plant in the family Liliaceae, endemic to moist woodland habitats in the mountains of Northern America. Elliptical dark green leaves get mottled as they age. Grows up to 30cm tall, with slightly scented white reflexed flowers and yellow-green base with a ring of yellow, orange markings in the base in early spring. Giant white fawn lily. Full sun to part shade.