Gayophytum heterozygum
A relatively large-flowered Epilobium found in the Sierra Nevada, Cascade Mountains, and nearby ranges. My identification is not entirely certain; Gayophytum eriospermum is similar
A flower at the campground on the west side of The Needles in the southern Sierra Nevada, 4 Jul 2008.
Side view of the same, 4 Jul 2008.
Plant habit on the west side of The Needles, 4 Jul 2008.
A cauline leaf on the west side of The Needles, 4 Jul 2008.