Plants annual. Culms 50-80(100) cm, about 2 mm thick, usually rather robust, erect or somewhat geniculate at the base, often branching; nodes pubescent. Sheaths mostly shorter than the internodes, somewhat loose; blades 6-12(20) cm long, 1-7(10) mm wide, flat, becoming involute, apices attenuate. Panicles 10-20(30) cm long, to 3 cm wide at the base, loosely contracted to somewhat open. Spikelets 3.2-6.8 mm. Lower glumes 2.8-5.1 mm; upper glumes 3.2-6.8 mm, 3-veined; lowest lemmas 1.5-2 mm; awns 2.5-5 mm, usually exceeding the glumes; anthers 1-1.8 mm. Notes: Enneapogon cenchroides has been introduced and is persisting in the Ajo, Santa Catalina, Tucson, and Galiuro mountains of southern Arizona.

Santa Catalina Mountains
Sabino Canyon Recreation Area.
Location: Bluff Trail 50 feet from tram road.
2/7/17

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