Glaucous upland tussocks with intravaginal branching. Leaf-sheath 3-15 cm, wider than leaf-blade. Leaf-blade 10-30 cm, hexagonal or nearly so, smooth or scabrid at thickened collar; T.S.: 5 vascular bundles, 7 sclerenchyma strands. Culm (10)-40-100 cm, much taller than leaves; nodes evident. Panicle (2.5)-7-20 cm, with open, pulvinate branches; rachis prickle-toothed. Spikelets 10-20 mm. Lemmas usually glabrous, glaucous; awn 1-2-(4) mm. Lodicules usually hair-tipped. Anthers yellow to purple. Ovary commonly with hispid apical hairs.