[Oregon Checker-mallow: Sidalcea oregana]

Oregon Checkermallow, Oregon Checker-mallow

Sidalcea oregana ssp. oregana

Synonyms: Sidalcea maxima, Sidalcea oregana var. maxima, Sidalcea oregana var. oregana, Sidalcea oregana var. procera

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

Oregon checkermallow blooming at the headquarters of Turnbull National Wildlife Refuge......July 4, 2018.

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

Oregon checkermallow blooming on slopes above Summit Drive several miles north of Ruckel Ridge, Umatilla National Forest.........July 24, 2012.

Close-up of the inflorescence of Oregon Checkermallow, Oregon Checker-mallow: Sidalcea oregana ssp. oregana (Synonyms: Sidalcea maxima, Sidalcea oregana var. maxima, Sidalcea oregana var. oregana, Sidalcea oregana var. procera) - Close-up of the image of Oregon Checkermallow, Oregon Checker-mallow: Sidalcea oregana ssp. oregana (Synonyms: Sidalcea maxima, Sidalcea oregana var. maxima, Sidalcea oregana var. oregana, Sidalcea oregana var. procera) - Close-up of the image of Oregon Checkermallow, Oregon Checker-mallow: Sidalcea oregana ssp. oregana (Synonyms: Sidalcea maxima, Sidalcea oregana var. maxima, Sidalcea oregana var. oregana, Sidalcea oregana var. procera)

Close-ups of the inflorescence of Oregon checkermallow blooming on slopes above Summit Drive several miles north of Ruckel Ridge, Umatilla National Forest..........July 24, 2012.

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

The photo at left shows Oregon checker-mallow (probably variety oregana) as seen in upland meadows along the North Steens Mt. Loop about 100 meters northeast of Lily Lk.........August 3, 1995. The photo at right shows a close-up of the inflorescence of Oregon checker-mallow (either var. oregana or spicata) as seen in wetlands around the North Fork Crooked River about one and one-quarter miles south of the junction of FS Roads 42 and 4215, Ochoco National Forest........June 12, 2015.

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

Oregon checker-mallow observed along a vernally wet drainage north of Box Canyon Road and between Rock Creek and Box Canyon Creek in the Simcoe Mountain Unit of the Klickitat Wildlife Area........July 1, 2020.

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

Oregon checker-mallow observed along the Fremont-Winema National Recreation Trail on the west-facing slopes of Twelvemile Peak, Fremont-Winema National Forest......August 2, 2020.

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

The photo above shows a close-up of a much dissected leaf from midstem. Photographed along the North Steens Mt. Loop about 100 meters northeast of Lily Lk..........August 3, 1995.

Paul Slichter