[Wallflowers of the Cascade Mountains of Oregon and Washington]

Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower

Erysimum capitatum var. capitatum

Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum ssp. capitatum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum , Erysimum capitaum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri

Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower: Erysimum capitatum var. capitatum (Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum ssp. capitatum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum , Erysimum capitaum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri)

This photo shows a close-up of the vibrant inflorescence and upper stem leaves of rough wallflower as seen atop Sister Rocks at the northwestern edge of the Trapper Creek Wilderness.........June 22, 2013.

Erysimum capitatum var. capitatum - Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower:: Erysimum capitatum var. capitatum

Close-ups of the inflorescence of rough wallflower as seen in the King Mountain Rock Garden in the Umpqua National Forest.........June 25, 2005.

Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower: Erysimum capitatum var. capitatum (Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum ssp. capitatum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum , Erysimum capitaum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri) - Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower: Erysimum capitatum var. capitatum (Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum ssp. capitatum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum , Erysimum capitaum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri)

Rough wallflower blooming at left along an old pack trail that heads steeply uphill from the South Fork Tieton River Trail #1120 in the upper South Fork Tieton River basin. This spot is about 1 mile downhill to the north-northeast of Warm Lake. Goat Rocks Wilderness.........July 21, 2016. The photo at right shows blooming rough wallflower along the Goat Ridge Trail #95 in Jordan Basin, Goat Rocks Wilderness.........July 12, 2018.

Inflorescence of Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower: Erysimum capitatum var. capitatum (Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum ssp. capitatum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum , Erysimum capitaum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri) - Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower: Erysimum capitatum var. capitatum (Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum ssp. capitatum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum , Erysimum capitaum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri)

A close-up of the inflorescence of rough wallflower as seen at left along the Chinook Trail #808B on the west side of Silver Star Mountain, Gifford Pinchot National Forest........June 3, 2016. The photo at right shows the inflorescence of rough wallflower with developing fruits as seen just below timberline along the Butte Camp Trail #238A, Mount Saint Helens National Volcanic Monument........July 12, 2021.

Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower: Erysimum capitatum var. capitatum (Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum ssp. capitatum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum , Erysimum capitaum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri) - Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower: Erysimum capitatum var. capitatum (Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum ssp. capitatum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum , Erysimum capitaum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri)

Close-ups of the inflorescences of rough wallflower as seen along the Butte Camp Trail #238A about one-third of a mile below the junction with the Loowit Trail #216, Mount St. Helens National Volcanic Monument...........September 19, 2014. The long, mature seed pods are square in cross-section.

Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower: Erysimum capitatum var. capitatum (Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum ssp. capitatum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum , Erysimum capitaum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri) - Inflorescence of Prairie Rocket, Rough Wallflower, Douglas' Wallflower, Western Wallflower, Sanddune Wallflower: Erysimum capitatum var. capitatum (Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum ssp. capitatum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum , Erysimum capitaum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri)

Rough wallflower still in bloom at left along the Strawberry Mountain Trail #220 about one-half mile south of the summit of Strawberry Mountain, eastern edge of the Mount Saint Helens National Volcanic Monument..........June 21, 2015. The photo at right shows rough wallflower in bloom along the Tarbell Trail on the west slopes of Silver Star Mountain, Gifford Pinchot National Forest.....June 9, 2021.
Paul Slichter