Tuesday, May 25, 2010

Button Brittlebush or Rayless Encelia

Button brittlebush
or rayless encelia (Encelia frutescens,
synonymous with Simsia frutescens) is a shrub with stems that are usually whitish,
rough-textured leaves that are green, stiffly hairy and rounded to narrowly oval in shape. The flower heads are button-shaped,
have a yellow disk and are usually without petals. If petals are present, they are yellow. It grows from two to five feet tall. These bushes were photographed in a wash on the southern side of the Eagle Mountains off the Hayfield Road exit of the I-10.

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