Eriodictyon crassifolium, or thickleaf yerba santa, is a shrub in the borage family. 'Crassifolium' means 'thick leaf.'
Eriodictyon crassifolium is a hairy to woolly shrub growing one to three meters tall. The leaves are up to 17 centimeters long by 6 wide, dark green, and sometimes toothed along the edges. The underside of the leaf is hairy, while the top may be less hairy and more hard and leathery. The inflorescence is a cluster of bell-shaped lavender flowers. The stems are woody and branching. ...