Ceanothus decornutus. A new study establishing this species was published in Madroo 61(4):399-406. 2014. See www.bioone.org/doi/abs/10.3120/0024-9637-61.4.399 for an abstract. The new species has yet to be shown in the Jepson Interchange Database or CalFlora. Photographed at University of California Botanical Garden in Berkeley, CA.