[Fleabanes and Daisies: The Genus Erigeron East of the Cascade Mts. of Oregon and Washington]

Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane

Erigeron poliospermus var. poliospermus

Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

The photo above shows cushion fleabane as seen atop the Horse Heaven Hills near Benton City, WA........April 28, 2006. The ray flowers range from white to lavender in color. Notice also the numerous spreading hairs on the leaves, stems and involucres.

Flower head of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermusThe photo at right shows a close-up of the flower head of cushion fleabane as seen atop the Horse Heaven Hills near Benton City, WA.........April 28, 2006.
Characteristics:

Cushion fleabane is an attractive wildflower with the habita of a low cushion plant to 15 cm tall. The basal leaves are linear-oblanceolate to spatulate, and somewhat hairy, the hairs spreading. The leaves measure up to 8 cm long and 12 mm wide.

The flower heads have up to 15-45 white, pink or lavender ray flowers surrounding a yellow central disk which is generally less than 20 mm in diameter. The rays are each 5-14 mm long and 1.3-3.6 mm wide. The involucre which is densely covered by spreading hairs, ranges from 5-9 mm tall.


Habitat:

Cushion fleabane may be found in dry open habitats in the lowlands east of the Cascade Mts. Cushion fleabane is frequently found near sagebrush.


Range:

Cushion fleabane is found east of the Cascade Mountains from south-central British Columbia through central Washington into Idaho and central Oregon.


Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Involucral bracts of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

Cushion fleabane blooming in scabland along the Colockum Pass Road, Wenatchee Mountains...........July 7, 2012.

Involucral bracts of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

The photo at left shows the involucral bracts and newly emergin ray flowers of cushion fleabane as seen in the Horse Heaven Hills........April 28, 2006. The photo at right shows cushion fleabane finishing its bloom atop Bickleton Ridge in the Bickleton Ridge Unit of the Klickitat Wildlife Area.........May 28, 2017.

Flower heads (with canary yellow rays) of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Hairy stem of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Leaves of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

Flower head (with canary yellow rays) of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Involucral bracts of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Flower head (with cream-colored rays) of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

Additional close-ups of cushion fleabane as seen along Sixprong Road between Alderdale Road and the Roosevelt Grade Road in eastern Klickitat County.........April 25, 2010. A few lavender-rayed cushion fleabanes can be seen around this location in south-central Washington, but the majority have white or cream-colored rays. Note here that several plants (photographed about 3 miles west of Alderdale Road) have canary-yellow rays which are the first this author has ever seen for this species.

Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

Cushion fleabane in bloom along the Chimney Rock Trail, Lower Crooked Wild and Scenic River (BLM).........May 10, 2018.

Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

Cushion fleabane in bloom along Forest Road 3010-150 between Forest Roads 22 and 3010, northeast corner of Big Summit Prairie, Ochoco National Forest.......May 27, 2018.

Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

Cushion fleabanes almost ready to bloom as seen on basalt outcrops along the Sprague Highway about one mile west of the junction with Miller Ranch Road, eastern Oregon.........April 28, 2014.

Leaves of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Leafy cushion of Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

Leaves (left) of Erigeron poliospermus. Note the spreading hairs. The photo at right shows a cushion of leaves fo cushion fleabane as seen on rocky slopes high above and to the north of the day use area at Cottonwood Canyon State Park..........March 18, 2016.

Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus - Cushion Fleabane, Hairy-seeded Daisy, Kittitas Fleabane, Purple Cushion Fleabane: Erigeron poliospermus var. poliospermus

Cushion fleabane as seen at left along the Rimrock Springs Trail #850, Crooked River National Grasslands........May 20, 2017. The photo at right shows an older, somewhat shrubby cushion fleabane along the Alder Springs Trail #855, Crooked River National Grasslands.......May 11, 2018.

Paul Slichter