Lithachne P.Beauv.

Plants monoecious; panicles small, the terminal staminate or wanting, the axillary composed of 1 pistillate spikelet and several staminate spikelets below it; pistillate spikelet: first glume wanting; second glume and sterile lemma nearly equal, acuminate, 5-to 7-nerved; fruit laterally compressed, bony-indurate, white, smooth and shining, the lemma gibbous, the margins tightly enclosing the convex palea; staminate spikelets reduced to the lemma and palea.