Great Purple Monkeyflower, Lewis' Monkeyflower, Lewis' Monkey Flower, Purple Monkeyflower, Purple Monkey-flower: Erythranthe lewisii (Synonym: Mimulus lewisii)

The photo at left shows a close-up frontal-view of the flower of Lewis' monkeyflower as seen along the Highline Trail #114 at the western-most branch of the Muddy Fork on the northern slopes of Mt. Adams........July 23, 2005. Note the numerous white and yellowish hairs on the palate at the back of the lower lip. The photo at right shows a close-up side-view of the flower of Lewis' monkeyflower as seen along the Highline Trail #114 at the western-most branch of the Muddy Fork on the northern slopes of Mt. Adams.........July 23, 2005. Note the glands on the calyx.

Lewis' monkeyflowers blooming in moist meadows in upper Bird Creek Meadows, Yakama Nation lands at the southeastern corner of Mount Adams.....August 10, 2023.

Lewis' monkeyflower blooming with magenta paintbrush (Castilleja parviflora var. oreopola) in moist meadows near the headwaters of the Lewis River at the base of the Adams Glacier moraine, Mount Adams Wilderness.......August 22, 2022.

Lewis' monkeyflower as seenat left along the Round the Mt. Trail #9 at one of the crossings of Gotchen Creek on the southeast side of Mt. Adams, Mt. Adams Wilderness..........August13. 2017. The photo at right shows a late-blooming Lewis' monkeyflower along a small creek that crosses the Round the Mountain Trail #9 in Bird Creek Meadows, Mt. Adams.......August 30, 2018.

The photo above shows Lewis' monkeyflower as seen along the Shorthorn Trail #16 at its crossing Shorthorn Creek on the south side of Mt. Adams...........August 24. 2008.

Lewis' monkeyflower blooming in a creek at the base of the terminal moraine for Adams Glacier, Mt. Adams Wilderness.........August 6, 2017.

The photo at left shows Lewis' monkeyflower as seen along the Round the Mt. Trail #9 in the Mt. Adams Wilderness...........September 5, 2008. The photo at right shows Lewis' monkeyflower blooming along the Bluff Lake Trail near Bluff Lake, Yakama Nation lands at Bird Creek Meadows, Mount Adams.....September 4, 2022.

Lewis' monkeyflower blooming at left along one of the forks of Crooked Creek that are crossed by the Round the Mt. Trail #9 in Bird Creek Meadows......August 8, 2012. Lewis' monkeyflower blooming at right along one of the forks of Crooked Creek that are crossed by the Round the Mt. Trail #9 in Bird Creek Meadows......August 18, 2023.

Lewis' monkeyflower blooming at left in Crooked Creek along the Round the Mountain Trail #9 at Bird Creek Meadows, southeastern corner of Mount Adams........August 13, 2013. The photo at right shows Lewis' monkeyflower in bloom along the West Fork of Morrison Creek where the Shorthorn Trail crosses it, Mount Adams Wilderness.....July 7, 2021.

Lewis' monkeyflower blooming in Crooked Creek along the Round the Mountain Trail #9 at Bird Creek Meadows, southeastern corner of Mount Adams.......July 20, 2015.

Lewis' monkeyflower blooming in moist meadows near the headwaters of the Lewis River at the base of the terminal moraine for the Adams Glacier, Mt. Adams Wilderness......August 31, 2019.

Lewis' monkeyflower still in bloom on steep, moist slopes about three-quarters of a mile uphill from Foggy Flat and about one mile or so west of Red Butte, Mt. Adams Wilderness.......August 27, 2020.

The photo at left shows a frontal view of the flower of Lewis' monkeyflower as seen along the Shorthorn Trail #16 on the south side of Mt. Adams..........August 31. 1996. The photo at right shows a late-blooming Lewis' monkeyflower along the upper Lewis River near the Pacific Crest Trail #2000, Mt. Adams Wilderness.....October 5, 2020.