Fritillaria recurva

Fritillaria recurva, the scarlet fritillary, is a North American bulb-forming herb in the lily family.
Fritillaria recurva is native to southwest Oregon from and northern California where it grows in the Klamath Mountains, Northern Coast Ranges, Cascade Range, and Sierra Nevada. Most of the known California locations are in the northern half of the state, as far south as Solano and El Dorado Counties, but there are isolated population in Tulare and Mariposa Counties. The species has also been reported from Douglas and Washoe Counties in Nevada. It grows in dry, open woodlands and chaparral from 300–2,200 metres (980–7,220 ft), and it blooms in spring from February to July.