[Paintbrushes: The Genus Castilleja in Mt. Adams Country]

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)

The photo above shows a 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 Owl Clover, Thompson's Indian Paintbrush, Thompson's Paintbrush: Castilleja thompsonii (Synonym: Castilleja villicaulis)

Two photos which show Thompson's paintbrush as seen along the Highline Trail #114 at about 6800' on the northern slopes of Mt. Adams.........July 10, 2005.

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 paintbrush as seen at left along the Climber's Trail above Hellroaring Overlook on Tract D Yakama lands at the southeastern corner of Mount Adams...........August 12, 2013. The photo at right shows Thompson's paintbrush with spreading phlox (Phlox diffusa) as seen along the Climber's Trail above Hellroaring Overlook on Yakama Nation lands at the southeastern corner of Mount Adams...........August 29, 2022.

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.

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 paintbrush observed along the Climber's Trail at about 6800' along the south rim of Hellroaring Valley, Yakama Nation lands at Bird Creek Meadows.....August 10, 2023.

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

The photo at left shows a close-up of the inflorescence of Thompson's paintbrush as seen at Bird Creek Meadows on Mt. Adams.........September 1, 1996. The photo at right shows a late season Thompson's paintbrush blooming on atop a silky lupine (Lupinus sericeus) sandy outwash soils in a whitebark pine forest about one mile west of Red Butte and at the toe of the western lateral moraine of the Lava Glacier, Mt. Adams Wilderness......August 27, 2020.

-

The photo at left shows Thompson's paintbrush as seen along the Round the Mountain Trail to the west of Bird Creek Meadows on Mt. Adams.........August 1975. The photo at right shows a cluster of Thompson's paintbrush as seen at the west end of Bird Creek Meadows at the southwest corner of Mt. Adams.........August 1990.
Paul Slichter