Inferior lemma as long as the spikelet, oblong-lanceolate with recurved margins, centrally sulcate, 5(7)-nerved, hyaline, basally and apically appressed hairy, sometimes with conspicuous lateral swellings and bristlen hairs.
Leaf laminae (2)5–10 × 0.1–0.6 cm., linear, flat or sometimes involute, scaberulous on both sides, densely hairy near the ligule, scabrous along the margin.
Superior glume c. 2/3 of the spikelet, oblong-triangular, 3(5)-nerved, hyaline, appressed hairy, hairs capitate apiculate.
Pedicels 3–4-nate, 0.2–2.5 mm. long, terete to subtriangular, scaberulous, much broadened at the apex, without coronula.
Inflorescence composed of 2–4(6) racemes, 4–14(20) cm. long, solitary along a short common axis.
Superior lemma as long as the spikelet, oblong-lanceolate, apiculate, dark brown.
Rhachis triquetrous, winged, up to 0.7 mm. broad, smooth, with scabrous margins.
Culms 15–60 cm., erect or ascending, glabrous, nodes dark, glabrous.
Inferior glume very short, bilobed, nerveless and hyaline.
Ligule 0.5–1.5 mm. long, rim-like, conspicuously ciliate.
An annual with loosely caespitose or solitary culms.
Spikelets 2.0–2.9 mm. long, oblong-lanceolate.
Leaf sheaths glabrous to loosely hairy.