Encelia conspersa A.Gray
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This shrub is native to southern California, Baja California, and Baja California Sur, where it is a member of the coastal sage plant community at the shoreline. It can also be found on inland foothills in the Transverse and Peninsular Ranges.
It is drought tolerant but not frost tolerant, and needs full sun. It is a host plant for the larvae of the Bay checkerspot butterfly, a threatened species.
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, and attracts butterflies, bees, and other insects.
- The Plant List, Encelia californica Nutt.
- Calflora taxon report, University of California, Encelia californica Nutt., California brittlebush, California encelia, bush sunflower
- Biota of North America Program 2014 county distribution map
- Tropicos, specimen listing for Encelia californica Nutt.
- Flora of North America Encelia californica Nuttall
- Jepson Manual Treatment - Encelia californica
- United States Department of Agriculture Plants Profile
- Encelia californica - Calphotos Photo gallery, University of california
Data related to Encelia californica at Wikispecies
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