Threeleaf Lewisia, Three-leaf Lewisia, Three-leaf Bitter-root
Lewisia triphylla
Synonyms: Claytonia triphylla, Erocallis triphylla, Oreobroma triphylla
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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These two photos of threeleaf lewisia were taken
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. Note the faint lengthwise striping found on the petals of this species.
Threeleaf lewisia as seen still in bloom in late snowmelt swales along the Sunrise Climber's Trail on Yakama Nation lands, southeastern corner of Mt. Adams.........August 10, 2023. Note the faint lengthwise striping found on the petals of this species.
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The photo at left shows the sprawling form of
this diminutive plant, often less than 5 cm wide...........May 29, 2006. The photo at right 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. Both photos were taken at the same location.
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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.
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Threeleaf lewisia spotted blooming in moist swales below the Hellroaring Viewpoint, Yakama Nation lands at Bird Creek Meadows.....July 26, 2023.
Paul Slichter