Acute Paintbrush, Acute-tipped Paintbrush, Harsh Paintbrush
Castilleja hispida var. acuta
Synonyms: Castilleja hispida ssp. acuta, Castilleja taedifera
A close-up image of the inflorescence of acute-tipped paintbrush as seen along the School Canyon Trail #468 at a saddle on the east side of Ball Point, Badger Creek Wilderness........05-10-2015. Unfortunately, this view does not show the acute tips of the calyx lobes as well as I'd hoped.
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Acute-tipped paintbrush as seen along the School Canyon Trail #468 at a saddle on the east side of Ball Point, Badger Creek Wilderness........05-10-2015. Note that the paintbrush seems to be associated with yellow desert daisy (Erigeron linearis) in the photo at left.
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Acute-tipped paintbrush as seen along the Eightmile Loop Trail on the south side of Five Mile Butte, Mount Hood National Forest............May 17, 2015.
What may be acute-tipped paintbrush observed on open slopes on Mill Creek Ridge on BLM lands near the Mt. Hood National Forest boundary, Wasco County, OR......April 3, 2021.
Paul Slichter