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Glumes unequal, linear or nearly lanceolate; the inferior 9-10 mm. long, 1-or nearly 3-nerved (with short lateral nerves), minutely pubescent on the back and scabrid on the keel, gradually tapering into a mucro; the superior 6-8·5 mm. long, 1-nerved, smooth on the keel, slightly scaberulous towards the apex.
Panicle 10-15 cm. long, long-exserted, with a glabrous, smooth axis; branches 1-6 cm. long, very distant, solitary or 2-nate, at first erect, afterwards more or less spreading, naked in the lower 1/2, scaberulous or minutely pubescent, with shortly pubescent glandular patches in the axils.
Leaf-laminae up to 8 cm. long, rather stiff, flat with inrolled margins, conduplicate or convolute, obtusely pointed, with prominent white midrib and marginal nerves, scaberulous or puberulous above, glabrous and smooth beneath.
The lowermost leaf-sheaths compressed and keeled, strongly nerved, the upper ones subterete, slightly keeled, scaberulous, tight, sometimes slightly gaping at the apex.
Spikelets reddish-green to yellowish-green, densely congested, imbricate, forming small, elongate, spiciform panicles at the ends of the branches.
Culms erect, simple, glabrous or slightly scaberulous, 2-3-noded; nodes glabrous, smooth.
Ligule a short ciliate rim; auricles shortly pubescent and with a few long hairs.
Perennial, up to 70 cm. high, caespitose.
