Encelia californica is known by the common names California Encelia and California brittlebush. It is also commonly referred to as "California bush sunflower".
It is native to southern California (U.S.) and northern Baja California (México). It is a member of the coastal sage plant community at the shoreline, and the chaparral and woodlands plant community on inland foothills in the Transverse and Peninsular Ranges.
Encelia californica is a bushy, sprawling shrub reaching between 50–150 cm (20-60 inches) in height. It has many thin branches covered in widely spaced green leaves which are a rounded diamond shape.
The solitary flower heads are daisylike, with 15 to 25 bright yellow ray florets 1 to 3 centimeters long around a center of protruding yellowish to purplish brown disc florets.
The fruit is an achene 5 to 7 millimeters long, with no pappus. It blooms from February to June,
It is a host plant for the larvae of the Bay checkerspot butterfly, a threatened species.