[Oregon Checker-mallow: Sidalcea oregana]

Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow

Sidalcea oregana ssp. spicata

Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa

Raceme of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa) - Stem of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa)

Edgewood checkerbloom as seen in meadows around Hot Springs Campground, Hart Mountain National Antelope Refuge.........June 11, 2016. Note the simple hairs on the lower stem (photo at right) which help identify this subspecies.

Inflorescence of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa) - Inflorescence of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa) - Inflorescence of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa)

Inflorescence of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa) - Habitat of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa) - Stem of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa) - stem of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa) - Lower stem hairs of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa)

Edgewood checkerbloom as seen in moist meadows near the junction of Forest Roads 42 and 4240, Ochoco National Forest.........June 21, 2017. Note the simple hairs on the lower stem (photo at lower right) which help identify this subspecies.

Raceme of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa) - Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa)

The photo at left shows a close-up of the inflorescence of Oregon checker-mallow. This appears to be variety spicata. Note the bristly appearance to the calyx. This photograph was taken at Cottonwood Meadows in the Fremont-Winema NF...........July 18, 1998. The photo at right shows Oregon checker-mallow in moist meadows at Mud Creek Campground, Fremont-Winema National Forest......June 30, 2019.

Lower stem of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa)

The photo above shows a close-up of the simple, spreading hairs on the lower section of the stem. Photographed at Cottonwood Meadows in the Fremont NF...........July 18, 1998.

Leaf of Edgewood Checkerbloom, Marsh Hollyhock, Oregon Checker-mallow: Sidalcea oregana ssp. spicata (Synonyms: Sidalcea spicata var. spicata, Sidalcea oregana var. spicata, Sidalcea spicata var. tonsa)

A leaf of Oregon checker-mallow as seen at Cottonwood Meadows in the Fremont NF...........July 18, 1998.

Paul Slichter