Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 100 cm long. Lateral branches lacking. Leaf-sheaths longer than adjacent culm internode. Leaf-sheath oral hairs ciliate; 5 mm long. Leaf-sheath auricles erect. Ligule a ciliolate membrane. Leaf-blade base with a false petiole. Leaf-blades persistent; lanceolate; 25-50 cm long; 20-35 mm wide; coriaceous. Leaf-blade surface pubescent; hairy abaxially. Leaf-blade margins scabrous.
Inflorescence a panicle. Panicle open; pyramidal; 15-34 cm long; 2-4 cm wide; contracted about primary branches. Primary panicle branches ascending; 1 -nate; 2-4 cm long; bearing spikelets almost to the base. Panicle axis pilose. Panicle branches with prominent pulvini. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1 mm long.
Basal sterile florets similar; barren; without significant palea; attached to and deciduous with the fertile. Lemma of lower sterile floret oblong; 3.8 mm long; coriaceous; 4 -veined; ciliate on margins; awned. Awn of lower sterile floret 0.5 mm long. Lemma of upper sterile floret ovate; 4.4 mm long; ciliolate on margins; awned. Awn of upper sterile floret 0.5-0.6 mm long. Fertile lemma ovate; 5 mm long; coriaceous; without keel; 3 -veined. Lemma lateral veins transversely connected at apex. Lemma margins ciliate; hairy above. Lemma apex acute; awned; 1 -awned. Principal lemma awn 0.5 mm long overall. Palea lanceolate; 3.7 mm long; coriaceous; 2 -veined; without keels.
Lodicules 3; 1 mm long; veined; ciliate. Anthers 3; 1.7-1.8 mm long. Stigmas 2. Ovary glabrous.