Erysimum franciscanum is a perennial wallflower endemic to coastal California, often found on serpentine soils. It produces hairy stems and yellow to orange flowers,.
Above information is sourced from Wikipedia
© jomance (CC-BY-NC)
© (c) Katherine Scott, some rights reserved (CC BY)
© (c) Mike Heine, some rights reserved (CC BY)
© Chris Evers − EOL