Terminal inflorescence (3)4·5-12 cm. long, erect, straight or slightly curved, pale green; main axis flattened, 3-9 mm. wide; individual racemes up to 20 in number, 6-10 mm. long, with the rhachis c. 2·5 mm. wide.
Culms up to 130 cm. tall, decumbent, rarely erect, terete, many-noded, branched, retrorsely scabrid or sometimes smooth; nodes stiffly retrorse-pilose to pubescent.
Leaf-sheaths coarsely striate, usually tight, sometimes slipping off the culm, retrorsely hispid to scabrid.
A loosely caespitose perennial (but frequently flowering in the first year), often of a shrubby habit.
Spikelets of the axillary inflorescences up to 25 mm. long, their stigmas up to 25 mm. long or more.
Female spikelets narrowly ovate, slightly asymmetric, up to 16 mm. long, often scabrid.
Male spikelets 5·5-8 mm. long, lanceolate to lanceolate-oblong in outline.
Leaves evenly distributed over the culm.