Sporobolus giganteus

One of two dropseeds in the area with contracted, spicate panicles; Sporobolus contractus differs primarily in being smaller. The plants of Sporobolus giganteus I have seen were around 3.5 to 4 feet tall.

Inflorescences along the Pine Tree Trail at Aguirre Springs on the east side of the Organ Mts., 10/1/05.

Closer view of spikelets at Aguirre Springs, 10/1/05.