Checker Lily, Chocolate Lily, Mission Bells
Fritillaria affinis
Synonym: Fritillaria lanceolata
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The photo at left shows a close-up of the inflorescence
of the chocolate lily as seen from the Columbia River Gorge. The photo at center shows the inflorescence of chocolate lily blooming along the Willard Springs Trail, Conboy Lake National Wildlife Refuge......May 15, 2021.
The photo at right shows the inflorescence of chocolate lily blooming along the Willard Springs Trail, Conboy Lake National Wildlife Refuge......May 16, 2022.

The photo above shows the newly opened flower of the chocolate
lily as seen from the Columbia River Gorge. Note the greenish background to
the corolla (sometimes yellowish) with brownish-purple mottling atop the base
color.
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Two close-up views of the
winged pod of the chocolate lily as seen at the trailhead for the Willard Springs
Trail near the Conboy Lake NWR headquarters........July 28, 2006.

It looks like this particular chocolate lily had a successful pollination and seed production year by the number of winged seed pods in its mature inflorescence! Willard Springs Trail at Conboy Lake National Wildlife Refuge......June 15, 2025.
Paul Slichter