Superior lemma with or without hair tufts, bilobed, with a persistent geniculate awn; callus short, broadly-rounded; palea keels with or without narrow wings, but these not clasped by the lemma.
Panicle bearing spikelets in triads with connate pedicels, the peduncle developing a fragile hook-like flexure at maturity and the triads falling entire.
Spikelets brown, the superior florets eventually disarticulating.
Inferior lemma 5-nerved.