flavonoid sterubin

California Yerba santa Eriodictyon californicum leaf shape

Hairy Yerba santa leaf shapes E trichocalyx var lanatum, showing margins and venation

Hairy Yerba santa Eriodictyon leaf shapes E trichocalyx var trichocalyx showing margins and venation

Narrow-leaved Yerba santa Eriodictyon angustifolium leaf shape, showing margins and venation

California Yerba santa Eriodictyon californicum with individual flower detail

Hairy Yerba santa Eriodictyon trichocalyx var. lanatum

Hairy Yerba Santa Eriodictyon trichocalyx var trichocalyx

Narrow-leaved yerba santa Eriodictyon angustifolium with individual flower detail