Collinsia torreyi

Collinsia torreyi is a species of flowering plant in the plantain family known by the common name Torrey's blue-eyed Mary. It is native to California and adjacent sections of Oregon and Nevada, where it grows in the coniferous forests of several mountain ranges, including the Sierra [Nevada (U.S.)|Sierra Nevada].
This is an annual herb producing a slender, reddish stem up to about 25 centimeters tall. The inflorescence is a densely glandular array of flowers arising on pedicels. The corolla is no more than a centimeter long and two white or lavender-tinted upper lobes and three darker lavender to purple lower lobes.
There are several varieties:

C. t. var. brevicarinata - known from the Sierra Nevada and San Gabriel Mountains of California
C. t. var. latifolia - known from northern California and southern Oregon
C. t. var. torreyi - known from California and western Nevada
C. t. var. wrightii, limited to California and western Nevada