Rhizome short; shoots densely tufted. Culms erect, triquetrous above, may be subterete below, scabrous above, 40–120 cm long, 2–4 mm diam.
Leaves shorter than to equalling culms; blade 2–12 mm wide; sheath grey-brown; ligule rounded to truncate.
Inflorescence erect, narrow, 4–45 cm long, compound, with numerous short spikes solitary at nodes or on appressed spike-like secondary branches to 3 cm long; lowest involucral bract very short. Spikes sessile, contiguous, erect to spreading at maturity, to 1 cm long; all spikes androgynous. Glumes acute, occasionally shortly mucronate, yellow-brown, occasionally with white margins near apex; female glumes 2–2.5 mm long. Utricles ovoid, with thickened truncate base, several-nerved, 2–3 mm long, 1.0–1.7 mm diam., hispid on narrowly winged or ribbed margins, greenish brown to dark yellow-brown; beak c. 1 mm long, with apex 2-fid. . Anthers 1.5–2 mm long excluding appendage c. 0.2 mm long. . Anthers 1.5–2 mm long excluding appendage c. 0.2 mm long. Style 2-fid.
Nut ovoid, lenticular in cross section, yellow-brown.
- Allout 720Efficiency: ★★★
- Glyder Dry 700Efficiency: ★★★
- Rophosate 700Efficiency: ★★★
- Rotam MCPA 750 AmineEfficiency: ★★★
- Roundup Complete Herbicide By MonsantoEfficiency: ★★★
- Roundup Dry Herbicide By MonsantoEfficiency: ★★★
- Roundup Ready Herbicide By MonsantoEfficiency: ★★★
- Roundup Ready Herbicide With Plantshield By MonsantoEfficiency: ★★★
- Wildebeest 360 BioEfficiency: ★★★
- Wildebeest 700Efficiency: ★★★
- Agroxone 750Efficiency: not_available
- Arysta LifeScience Glyphosate 700Efficiency: not_available
- Arysta LifeScience MCPA 750Efficiency: not_available
- Barmac Clear Up Bio 360Efficiency: not_available
- Bazooka 800 SGEfficiency: not_available
- Bazooka Dry 800 SGEfficiency: not_available
- Eraze 360 Bi-AquaticEfficiency: not_available
- Eraze 510 BiaquaticEfficiency: not_available
- Gladiator Dry 680 WGEfficiency: not_available
- Glypho 680Efficiency: not_available
- Glyphosate 360Efficiency: not_available
- Knockout 450Efficiency: not_available
- Knockout Dry 700 SGEfficiency: not_available
- MaximusEfficiency: not_available
- Pacific Amesip 500Efficiency: not_available
- Sixgun 360Efficiency: not_available
- Squaredown 360Efficiency: not_available
- Touchdown 360Efficiency: not_available
- Wipe-Out BioEfficiency: not_available