Stereochlaena annua Clayton

Loosely tufted annual; culms 30–60 cm. high, ascending.. Leaf-blades flat, 2–7 cm. long, 2–5 mm. wide, loosely pilose.. Inflorescence of (1–)2(–3) racemes, each 3–8 cm. long, the rhachis-margins pubescent.. Spikelets narrowly elliptic, 2–3 mm. long; lower glume minute; upper glume 0.5–1.5 mm. long, obtuse to shortly awned; lower lemma broadly rounded across the back, 5-nerved, the awn 10–25 mm. long; upper floret dark brown.. Fig. 148.