Inflorescence composed of 7–11 racemes, 3–7 cm. long, erect, scattered along the well developed common axis.
Leaf laminae 5–15 × 0.2–0.5 cm., linear, flat, conspicuously scabrous on both sides, often loosely hairy.
Pedicels 3-nate, 0.5–2.5 mm. long, triquetrous, scabrous, with long cilia near the broadened apex.
Rhachis triquetrous, narrowly winged, up to 0.3 mm. broad, smooth with scabrous margins.
Inferior lemma as long as the spikelet, oblong, 3–5-nerved, appressed hairy.
Superior lemma as long as the spikelet, oblong, acuminate, reddish brown.
Culms 10–40 cm., erect, glabrous, nodes dark and bearded to subglabrous.
Leaf sheaths loosely hairy with bulbous-based bristles.
Ligule 1–2 mm. long, truncate, ciliolate.
Spikelets 1.5–1.7 mm. long, oblong.
A loosely caespitose annual.
Inferior glume absent.