Growing in the coastal prairie south of the Russian River Mouth in Sonoma Co., CA. Separated from the subspecies purpurea by the color of the open calyces (greenish with purple mottling) and habitat.
Found on wildlife ecology trail near big creek at Green Meadows
need to check identification since its flower apex was not typical
Sidalcea is a genus of the botanical family Malvaceae. It contains several species of flower known generally as checkerblooms or checkermallows, or prairie mallows in the United Kingdom. They can be annuals or perennials, some rhizomatous. They are native to West and Central North America.