Douglas' Wallflower, Prairie Rocket, Rough Wallflower, Sanddune Wallflower, Western 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 Douglas' Wallflower, Prairie Rocket, Rough Wallflower, Sanddune Wallflower, Western 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)](capitatum/capitatum05-07-2020.jpg)
The photo at left shows a close-up of the opening
flowers of rough wallflower as seen on Mt. Adams on FS Rd 82 at an elevation
of ~3380' on May 7, 2005. Similar plants were seen in bud near the summit of
Snipes Mt. ~4240' on the same date.. The photo at right shows rough wallflower in bloom in the Klickitat Wildlife Area about 2 miles south of Grayback Mountain......May 7, 2020.
![Inflorescence of Douglas' Wallflower, Prairie Rocket, Rough Wallflower, Sanddune Wallflower, Western 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)](capitatum/eryisimum3.jpg)
The photo above shows a close-up of the opening flowers of rough
wallflower as seen on Mt. Adams on FS Rd 82 at an elevation of ~3380' on May 7,
2005.
- ![Douglas' Wallflower, Prairie Rocket, Rough Wallflower, Sanddune Wallflower, Western 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)](capitatum/capitatum10-01-2020.jpg)
The photo at left shows a close-up of the opening
flowers of rough wallflower as seen on Mt. Adams on FS Rd 82 at an elevation
of ~3380' on May 7, 2005. The photo at right shows a late blooming rough wallflower in bloom along the Bird Lake Trail, just above the trailhead at Bird Lake, Yakama Nation lands at Bird Creek Meadows......October 1, 2020.
![Leafy stem of Douglas' Wallflower, Prairie Rocket, Rough Wallflower, Sanddune Wallflower, Western 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)](capitatum/erysimum4.jpg)
The photo above shows a close-up of the opening
flowers of rough wallflower as seen on Mt. Adams on FS Rd 82 at an elevation
of ~3380' on May 7, 2005.
![Maturing fruit of Douglas' Wallflower, Prairie Rocket, Rough Wallflower, Sanddune Wallflower, Western 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)](capitatum/erysimumaspfrt.jpg)
The photo above shows a the long seed pod of rough wallflower
with its squared-off corners, a characteristic of this species.
![Fruit of Douglas' Wallflower, Prairie Rocket, Rough Wallflower, Sanddune Wallflower, Western 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)](capitatum/erysimumfrt1.jpg)
This photo above shows a close-up of the seed pod shown above
of rough wallflower with its squared-off corners, a characteristic of this species.
Note the minute, appressed hairs covering the pod.
- ![Douglas' Wallflower, Prairie Rocket, Rough Wallflower, Sanddune Wallflower, Western 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)](capitatum/erysimumcapitatum4a.jpg)
The photo directly above and below shows the attractive and fragrant
inflorescence of rough wallflower as seen near Little Mt. Adams.........July
17, 2006.
- ![Douglas' Wallflower, Prairie Rocket, Rough Wallflower, Sanddune Wallflower, Western 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)](capitatum/capitatum07-10-2020b.jpg)
Rough wallflower in bloom along the Shorthorn Trail #12 (about one mile above the trailhead), Mt. Adams Wilderness......July 10, 2020.
Paul Slichter