Glyceria declinata

Loosely tufted or rhizomatous perennial, culms ascending, to 80 cm high. Leaf-blades to 20 cm long and 10 mm wide, often glaucous, bluntish to broadly acute at apex; sheaths closed toward base, transverse veins indistinct or lacking; ligules 4–9 mm long, truncate, soon becoming shredded. Inflorescence a loose, slender panicle, often appearing one-sided, 4–40 cm long; spikelets 8–15-flowered, 13–25 mm long; lower glume 1.5–2.5 mm long, upper glume 0.5–1.5 mm longer than lower; lemma prominently 7-nerved, ovate, 4–5 mm long, firm, with 3–5 blunt, shallow teeth at apex; palea bifid, the two teeth shortly but distinctly exceeding lemma. Flowers Jan.–May.