Photo: Mahonia fremontii 1.

The same bush a month later: flowering branch. Arizona cactus, Bisbee, AZ, US. Planted. 1998-02-01.

Mahonia fremontii (Torr.) Fedde
Engl.: Fremont's mahonia.
Bot. syn.: Berberis fremontii Torr., Berberis higginsiae Munz, Mahonia higginsiae (Munz) Ahrendt, Odostemon fremontii (Torr.) Rydb.