Rhamnus occidentalis Howell ex Greene, Pittonia 2: 15. 1889; R. californica Eschscholtz subsp. occidentalis (Howell ex Greene) C. B. Wolf; R. californica var. occidentalis (Howell ex Greene) Jepson

Leaf blades yellowish green on both surfaces, ovate to elliptic, 2–8 cm, margins entire or serrulate, flat, apex acute to obtuse, both surfaces glabrous or abaxial slightly puberulent; veins not prominent abaxially. Drupe stones 3.

Flowering Mar–Jun. Chaparral, pine woodlands, serpentine substrates, creek bottoms; 40–2300 m; Calif., Oreg.