annual turtleback

Psathyrotes annua is a species of flowering plant in the aster family known by the common name annual psathyrotes. It is native to the southwestern United States and as far north as Idaho. It grows in desert and scrub habitat, often in areas with alkali soils among plants such as shadscale. It is a low, flat or mounding plant with spreading, hairy, scaly stems. It is pale green to reddish purple in color with gray-green leaves,...