or perennial grasses. Leaf-blades flat, sometimes aromatic, ligules membranous.
Inflorescence a delicate panicle with elongated central axis and capillary
branches bearing short racemes, racemes with 1-5 (-8) sessile spikelets, internodes and pedicels linear, with a
hyaline median line. Sessile spikelets dorsally compressed, callus very short,
rounded, pedicellate spikelets usually well developed. Lower glumes broadly
convex to slightly concave on back, abruptly rounded on the flanks. Lower
florets reduced to a hyaline lemma, upper lemmas entire, with a glabrous or
puberulous awn. Caryopsis oblong.