Annuals or perennials. Ligule membranous. Inflorescence consisting of 1-sided racemes, these digitate or borne upon a central axis, rarely solitary; rhachis flat, sometimes broadly winged. Spikelets orbicular to ovate, usually plano-convex, dorsally flattened, single or paired, in 2-4 rows; lower glume usually 0, rarely present as a small scale; upper glume as long as spikelet; lower floret barren with the lower lemma resembling the upper glume, palea 0; upper lemma coriaceous to crustaceous, usually obtuse.
Barcode of Life Data Systems (BOLD) Stats Specimen Records:172 Specimens with Sequences:174 Specimens with Barcodes:117 Species:52 Species With Barcodes:49 Public Records:101 Public Species:44 Public BINs:0