is a species of Ephedra
known by the common name Death Valley jointfir
, or Death Valley ephedra
. It is native to the Mojave Desert
of California and Nevada. This shrub
is made up of erect twigs which are gray-green when new and age to gray and cracked. There are tiny leaves at nodes along the twigs. Male plants produce pollen cones at the nodes which are up to 8 millimeters long, and female plants produce seed cones which are slightly longer and may grow on stalks.