Eriodictyon traskiae is a species of flowering plant in the waterleaf family known by the common names Pacific yerba santa and Trask's yerba santa. This shrub is endemic to California, where it grows on the chaparral slopes of the central Coast Ranges and Transverse Ranges. It approaches a maximum height of two meters. Its twigs and foliage are covered in a dense coat of white woolly hairs, giving the bush a gray-green look. The leaves are oval and anywhere from 3 to 14 centimeters long and 1 to 7 wide. They are woolly and crinkled and the edges roll under, and they may have small teeth. The bush flowers in dense fuzzy bunches of white to brownish-purple hairy blossoms, each under a centimeter wide. The fruit is a tiny capsule up to three millimeters wide containing two to four minute seeds.