Spikelets 3–9-fld, disarticulating above the glumes and between the lemmas; first glume 1-or 3-veined, the second 1–5-veined; lemmas broad, rounded on the back, obtuse or retuse, densely hairy at base and on the 3 veins, at least in the lower half, the midrib usually shortly excurrent, and the 2 lateral veins produced as minute teeth; palea broad, its 2 veins near the margin, smooth or short-hairy; stigmas dark purple; grain strongly concave on the ventral side; perennial grasses with flat lvs and ample panicles and without long rhizomes. (Triodia, in part) 15, New World.
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