Sporobolus pectinellus Mez

Annual, growing in tufts; culms 10–45 cm. high.. Leaf-blades 1–8 cm. long, 1–3 mm. wide, flat or convolute, rather stiff.. Panicle ovate-oblong, 3–18 cm. long, very delicate and diffuse, the branches and pedicels capillary.. Spikelets 0.8–1.2(–2) mm. long; lower glume oblong, 0.1–0.6 mm. long, truncate; upper glume ovate-oblong, 0.4–0.8 mm. long, cuspidate-acuminate, the single nerve excurrent; lemma ovate, as long as the spikelet, acute; anthers 3, 0.5–0.6 mm. long.. Grain ellipsoid, 0.6 mm. long.

Shallow soils.