Changes

''Eragrostis annulata'' has an unpleasant smell.

Annual, loosely tufted grass up to 40 cm tall; stem (culm) ascending, with a glandular ring below the nodes. Leaves alternate, simple; leaf sheath thinly hairy, the slender hairs mixed with shorter gland-tipped hairs; ligule a line of hairs; blade linear, 2–12 cm × 1–5 mm, flat, thinly hairy, with scattered crater-shaped glands along the margins and a line of glandular pits along the midvein below. Inflorescence an ovoid panicle 4–20 cm long, fairly dense to open, stiffly branched, primary branches not in whorls, terminating in a fertile spikelet. Spikelet on a pedicel 1–3 mm long with a distinct annular gland, narrowly oblong or sometimes linear, laterally compressed, 3–9(–15) mm × 1.5–2.5 mm, 6–16(–40)-flowered, with bisexual florets; glumes almost equal, narrowly ovate, up to 1 mm long, keeled, apex acute; lemma ovate to broadly ovate, 1.5–2 mm long, keeled, papery, glabrous, apex obtuse; palea glabrous on the sides, persistent; stamens 3, anthers 0.5–1 mm long; ovary superior, with 2 stigmas. Fruit a more or less square caryopsis (grain) c. 0.5 mm long, with a shallow to deep depression along the back.