Oregon Checkermallow, Oregon Checker-mallow: Sidalcea oregana var. oregana (Synonyms: Sidalcea oregana ssp. oregana, Sidalcea oregana var. maxima, Sidalcea oregana var. procera)

The photo at left shows the flowers of Oregon checker-mallow as seen along Laurel Road in the Conboy National Wildlife Refuge......June 17, 2006. The photo at right shows Oregon checker-mallow blooming in a vernally moist swale near a stock/game pond east of Canyon Creek, Klickitat Wildlife Area.....July 2, 2023.

Close-up views of the petals and calyx of Oregon checker-mallow as seen along Road K1000 along the Klickitat-Yakima County line........July 2, 2006. Note the notched tips to the petals.

The photo at left shows a deeply dissected upper stem leaf of Oregon checker-mallow as seen along Laurel Road in the Conboy National Wildlife Refuge...........June 17, 2006. The photo at center shows a deeply divided stem leaf of Oregon checker-mallow as seen in a riparian area along the Yakima-Klickitat County line at the southeastern edge of Mt. Adams..........May 29, 2006. The photo at right shows a deeply parted stem leaf of Oregon checker-mallow as seen in a riparian area along the Yakima-Klickitat County line at the southeastern edge of Mt. Adams..........May 29, 2006. Note that the main lobes of the leaf margin are much broader than those of the stem leaves.