[Paintbrushes: The Genus Castilleja in the Cascade Mountains of Oregon and Washington]

Thompson's Indian Paintbrush, Thompson's Paintbrush, Thompson's Owl Clover

Castilleja thompsonii

Synonym: Castilleja villicaulis

Thompson's Indian Paintbrush, Thompson's Paintbrush, Thompson's Owl Clover: Castilleja thompsonii (Synonym: Castilleja villicaulis)

A nice cluster of Thompson's paintbrush as seen at about 7600' in the Devils Garden at the northeastern side of Mt. Adams.........July 24, 2005.

Thompson's Owl Clover, Thompson's Indian Paintbrush, Thompson's Paintbrush: Castilleja thompsonii (Synonym: Castilleja villicaulis)

Thompson's paintbrush as seen along the Climber's Trail above Hellroaring Overlook on Tract D Yakama lands at the southeastern corner of Mount Adams...........August 12, 2013.

Thompson's Indian Paintbrush, Thompson's Paintbrush, Thompson's Owl Clover: Castilleja thompsonii (Synonym: Castilleja villicaulis) - Thompson's Indian Paintbrush, Thompson's Paintbrush, Thompson's Owl Clover: Castilleja thompsonii (Synonym: Castilleja villicaulis) - Thompson's Indian Paintbrush, Thompson's Paintbrush, Thompson's Owl Clover: Castilleja thompsonii (Synonym: Castilleja villicaulis)

Thompson's paintbrush spotted at left and center on an open slope along the Cedar Creek Trail #467 about 3 miles east of Fifteenmile Campground, Mount Hood National Forest......July 8, 2022. The photo at right is from the same location but taken on June 27, 2023.

Thompson's Owl Clover, Thompson's Indian Paintbrush, Thompson's Paintbrush: Castilleja thompsonii (Synonym: Castilleja villicaulis) - Thompson's Owl Clover, Thompson's Indian Paintbrush, Thompson's Paintbrush: Castilleja thompsonii (Synonym: Castilleja villicaulis)

Thompson's Owl Clover, Thompson's Indian Paintbrush, Thompson's Paintbrush: Castilleja thompsonii (Synonym: Castilleja villicaulis) - Thompson's Owl Clover, Thompson's Indian Paintbrush, Thompson's Paintbrush: Castilleja thompsonii (Synonym: Castilleja villicaulis)

Corolla of Thompson's Owl Clover, Thompson's Indian Paintbrush, Thompson's Paintbrush: Castilleja thompsonii (Synonym: Castilleja villicaulis) - Maturing ovary of Thompson's Owl Clover, Thompson's Indian Paintbrush, Thompson's Paintbrush: Castilleja thompsonii (Synonym: Castilleja villicaulis)

Close-up images of Thompson's paintbrush as seen at about 7000' at the eastern rim of upper Killen Creek basin, beneath the North Cleaver, Mount Adams........August 11, 2016. Note the long, lower lip of the corolla, the shallow indentations of the lateral calyx lobes, and the maturing ovary.
Paul Slichter