Chorizanthe fimbriata, the fringed spineflower, is an annual plant in the Polygonaceae family, the buckwheats. It is a member of the genus Chorizanthe, the spineflowers, and is native to southern California and northern Baja California.
It is endemic to the San Jacinto Mountains (California) and the Peninsular Ranges in Southern California and Baja California, below 1,600 metres (5,200 ft). It is found in coastal sage and montane chaparral and woodlands habitats.
Chorizanthe fimbriata is low-lying at 10–50 centimetres (3.9–19.7 in), and spreading 1–3.5 metres (3.3–11.5 ft) in diameter. It bears small star-shaped 5-lobed reddish-purple flowers with yellow tubes.