It is native to the southwestern United States where it grows in many types of habitats.
This is a small annual herb with pairs of oblong to lance-shaped leaves, each leaf up to about 1.5 centimeters long.
It consists of petal-like appendages surrounding the actual flowers, each with a round nectar gland at its base.
The fruit is a lobed, spherical capsule less than 3 millimeters wide.
One, the Stony Creek spurge or Rattan's sandmat (ssp.