About Diplacus johnstonii (A.L.Grant) G.L.Nesom
Diplacus johnstonii is an annual herb that grows a thin, hairy stem reaching up to around 20 centimeters tall. Its oppositely arranged leaves are pointed oval in shape, and measure 1 to 3 centimeters in length. The tubular base of each of its flowers is wrapped in a reddish, hairy calyx of sepals that has spreading, pointed lobes. The flower itself ranges in color from dark pink to magenta, with a yellow spot and usually two purple spots inside its throat. The flower is up to 1.5 centimeters long, and has five lobes at its opening.
This species is endemic to the Transverse Ranges of southern California, and is only found in the San Gabriel and San Bernardino Mountains. It grows in rocky, disturbed habitats including roadsides and scree.
