[Sandworts: The Genus Minuartia in the Cascade Mountains of Oregon and Washington]

Arctic Sandwort, Alpine Sandwort, Alpine Stitchwor , Twinflower Sandwort, Twin-flower Sandwort

Minuartia obtusiloba

Synonym: Arenaria obtusiloba

Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twinflower Sandwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba) - Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twinflower Sandwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba)

Arctic sandwort as seen in bloom along the Freezeout Trail on upper half of Tiffany Mountain, Okanogan-Wenatchee National Forest.......July 27, 2018.

Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twinflower Sandwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba)

Arctic sandwort in bloom atop Bear Creek Mountain, Goat Rocks Wilderness.......July 31, 2019.

Flower of Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba)

The photo above shows a close-up of the flower of arctic sandwort as seen at about 6200' along the Highline Trail #114 on the northern slopes of Mt. Adams.......July 11, 2005.

Close-up sideview of a flower of Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba)

The photo above shows a close-up side-view of the flower of arctic sandwort as seen at about 6200' along the Highline Trail #114 on the northern slopes of Mt. Adams......July 11, 2005. Note the numerous gland-tipped hairs on the sepals and pedicel and the obtuse tips to the sepals.

Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba)

The photo above shows a mat of arctic sandwort as seen at about 6200' along the Highline Trail #114 on the northern slopes of Mt. Adams......July 11, 2005. This speceis typically has only one flower per stem.

Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba)

The photo above shows basal leaves, stem leaves and flower of arctic sandwort as seen at about 6200' along the Highline Trail #114 on the northern slopes of Mt. Adams.......July 11, 2005.

Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba)

The photo above shows a close-up of the needle-like basal leaves and lower stem of arctic sandwort as seen at about 6200' along the Highline Trail #114 on the northern slopes of Mt. Adams...........July 11, 2005.

Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba)

The photo above shows a mat of arctic sandwort as seen at about 6200' along the Highline Trail #114 on the northern slopes of Mt. Adams......July 11, 2005.

Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twinflower Sandwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba)

Arctic sandwort still in bloom on gravelly, sandy slopes near the terminal moraine for the Adams Glacier upslope to the south of High Camp, Mount Adams Glacier...........August 19, 2013.

Arctic Sandwort, Alpine Sandwort, Alpine Stitchwort, Twinflower Sandwort, Twin-flower Sandwort: Minuartia obtusilboa (Synonym: Arenaria obtusiloba)

Arctic sandwort with seed heads as seen atop Sunrise Peak in the Dark Divide, Gifford Pinchot National Forest..........September 12, 2014.

Paul Slichter