Yet another subspecies of Clarkia, this one is larger than the others and resembles another flower that grows here called Dwarf Checkerbloom. Winecup Clarkia often has spots on its petals and has a slightly different shape.

Purple Clarkia is fairly small in size, about 1/2"-1" in diameter. It's native to the Pacific Northwest and ranges in color including pink, purple, and deep wine red.

If you would like to know more about Clarkia species, Wiki has a source here: Wiki: Clarkia