Dimeresia is a monotypic genus in the sunflower family containing the single species Dimeresia howellii, which is known by the common name doublet. The doublet is a very tiny annual flowering plant rarely exceeding 4 centimeters in height or width. It forms a small tuft on the ground with several oval-shaped leaves and an inflorescence of tiny white to purple bell-shaped flowers each a few millimeters long. This uncommon plant is found in one region in...
