Clearwater Cryptantha, Clearwater Cat's Eye, Common Cryptantha, Large-flowered Cryptantha
Cryptantha intermedia var. hendersonii
Synonyms: Cryptantha barbigera var. fergusoniae, Cryptantha fragilis, Cryptantha grandiflora, Cryptantha hendersonii, Cryptantha intermedia var. grandiflora, Cryptantha intermedia var. intermedia

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Common cryptantha
as seen along the Willard Springs Foot Trail in Conboy Lake Wildlife Refuge.........May 19, 2007. The fornices or "bumps" surrounding the central opening to the tube begin white in color, then change to yellow after pollination.
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Common cryptanth in bloom at left under ponderosa pines along the eastern loop of the Willard Springs Trail, Conboy Lake NWR........June 11, 2020.
The image at right shows common cryptanth blooming enmasse along trails under oaks near the east rim of the Klickitat River at the South Breaks, Klickitat Wildlife Area.....May 5, 2025.
Paul Slichter