Walwhalleya

Tufted, rhizomatous or stoloniferous perennials.Leaves glabrous, blades flat or inrolled; ligule membranous, rounded or truncate. Inflorescence a panicle, finally spreading and fully exserted with spikelets aggregated toward ends of branches. Spikelets pedicellate, falling intact, compressed dorsally; glumes 2, the lower 3–7-nerved, shorter than but more than half as long as the spikelet, acute or rounded, second glume 7- or 9-nerved, equal to spikelet, rounded to acuminate; lower floret neuter, lemma equal or subequal to spikelet, 7- or 9-nerved; lower palea absent or rudimentary; fertile lemma subequal to distinctly shorter than spikelet, elliptic, acute or rounded, hardened, muricate; palea hardened, very finely muricate; anthers 3.