(Eriogonum eastwoodianum)
Mt. Diablo buckwheat is an annual plant growing between 150-750 millimetres (5.9 in-2 ft 5.5 in) high. It blooms with several dozen pinkish flowers, having a maroon line down the center of each petal. The flower stalks branch upward in a wishbone pattern, with flowers blooming at the joint and ends of the wishbone.