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Ipheion uniflorum is a good ID, which is not the same thing as Triteleia.
Triteleia hyacinthina is native to and common in Oregon and across the west coast. However, this is a different plant as it lacks the ring of triangular stamen filaments forming a short crown around the top of a bowl-shaped tube in the center of the flower. This does look a lot like the widespread Allium neapolitanum.
The high elevation and the upright (not curved-back) forked filament tip appendages indicate this is ssp. anilina. The blue anthers are consistent, too (but not definitive). The Jepson key is here: http://ucjeps.berkeley.edu/cgi-bin/get_I...
T. ixioides anilina: https://calphotos.berkeley.edu/cgi/img_q...
T. ixioides scabra: https://calphotos.berkeley.edu/cgi/img_q...
Current scholarship includes the plants that were formerly Triteleia howellii as a color morph within Triteleia grandiflora.
The high elevation and the upright (not curved-back) forked filament tip appendages indicate this is ssp. anilina. The blue anthers are consistent, too (but not definitive). The Jepson key is here: http://ucjeps.berkeley.edu/cgi-bin/get_I...
T. ixioides anilina: https://calphotos.berkeley.edu/cgi/img_q...
T. ixioides scabra: https://calphotos.berkeley.edu/cgi/img_q...
Yes this is definitely Triteleia bridgesii. It can be distinguished from Triteleia laxa because the stamen filaments all connect to the petals at the same height.