Hist. Stirp. Helv. 2: 203 (1768), nom conserv.; Gen. Gram.: 253 (1986).- Type-species: Tragon racemosus (Linn.) All.
Description:
* Stoloniferous annuals or perennials. Leaves linair or narrowly lanceolate; ligule a fringed membrane or a fringe of hairs.
* Inflorescence a spike-like panicle racemelets shortly pedunculate of 1-5 spikelets, these contiguous or on a short rhachis, sometimes the upper spikelet reduced.
* Spikelets with a lower glume tiny or suppressed; upper glume hardened with 5-7 prominent veins forming rows of hooked prickles. Lemma acute, awnless.
Genus with 7 species of weedy places, throughout tropics.