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Erysimum suffrutescens, a dicot, is a perennial herb that is native to California.
Recognized as current in TJM2 + PLANTS + JM93
Los Angeles, Santa Barbara, San Diego, San Luis Obispo, Ventura
See a detailed Distribution Grid of this plant in Calfornia.
Links: USDA Plants Profile | Jepson Herbarium
Website references on Google
Bloom Months(Blooming months in blue)