The photo above shows wing-nut cryptantha as seen on sandy soils along the old Vantage Highway on the east bank of the Columbia River north of Vantage, WA..........April 30, 2007. Note that the basal and lower leaves begin withering by the time the plant begins to bloom.
The photo above shows a close-up of the corolla of wing-nut cryptantha as seen along the old Vantage Highway on the east bank of the Columbia River north of Vantage, WA..........April 30, 2007.