Threeleaf Lewisia, Three-leaf Lewisia, Three-leaf Bitter-root
Lewisia triphylla
Synonyms: Claytonia triphylla, Erocallis triphylla, Oreobroma triphylla
Threeleaf lewisia as seen blooming in vernally moist swales at High Prairie, Badger Creek Wilderness..........July 17, 2017.
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Threeleaf lewisia as seen blooming in vernally moist swales with groundsmoke and Brewer's monkeyflower (Erythranthe breweri) near the trailhead for Lookout Mountain, Badger Creek Wilderness..........July 17, 2016.
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Threeleaf lewisia blooming at left in swales rocky slope on the north side of the South Fork Conrad Creek near to an old pack trail that heads north from the South Fork to North Fork Conrad Creek, Goat Rocks Wilderness........July 22, 2016. The image at right shows a threeleaf lewisia with flower buds as seen in moist swales in High Prairie near the trailhead for Lookout Mountain, Badger Creek Wilderness.....July 3, 2024.
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Threeleaf lewisia blooming atop Grizzly Peak, Cascade-Siskiyou National Monument.....May 27, 2021.
Threeleaf lewisia blooming on vernally moist, bare banks along the Round the Mountain Trail at Bird Creek Meadows, southeastern corner of Mt. Adams............August 8, 2012.
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Threeleaf lewisia as seen
at about 2800' along Rd K6000 at the southeastern corner of Mt. Adams in mid-May,
2005. Note the lack of basal leaves, and the long, linear leaves at midstem.
Threeleaf lewisia as seen with the leaves of buttercup leaf mock brookfoam (Hemieva ranunculifolia )
along the Goat Ridge Trail #95 in Jordan Basin, Goat Rocks Wilderness........July 12, 2018.
The photo above shows a close-up of the flower
of threeleaf lewisia as seen along Road K6000 on the eastern slopes of Mt. Adams.........May
29, 2006. Note the faint lengthwise striping found on the petals of this species.
The photo above shows the sprawling form of
this diminutive plant, often less than 5 cm wide...........May 29, 2006.
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Both photos above shows close-ups of the sepals
(Note that there are only 2 sepals on the flowers of this family.) and underside
of the petals of threeleaf lewisia as seen near 2780' along Rd K6000 on the
eastern slopes of Mt. Adams..........Photos from May 2005 and 2006.
Paul Slichter