Sporobolus junceus is a species of grass known by the common name pineywoods dropseed.

[2] This perennial bunchgrass has stems up to a meter tall.

The leaves are up to 30 centimeters long and are flat or rolled.

[3] The panicle is pyramidal in shape with spreading branches.

It increases in abundance as the better grasses are consumed, and it indicates a pasture that is declining in quality.