Jointed Goatgrass
Aegilops cylindrica

Jointed goatgrass adult
A winter annual, jointed goatgrass grows 15 to 30 inches tall. It may have one or more upright stems.
Jointed goatgrass patch
As the seeds mature, the plant turns from green to a reddish or tan color.
Jointed Goatgrass seedhead
The seed heads are long and slender and have a segmented appearance. Flower and seed production take place from late spring to mid summer.
Jointed goatgrass
Leaf blades are one-eighth to one-quarter inch wide and have fine margin hairs near the stem juncture.