Common Name: longspine sandbur, sandspur, field sandbur, common sandburScientific Name: Cenchrus longispinus (Hack.) Fern.Family Name: Poaceae (Graminae) - Grass FamilyIdentification NotesLife Cyclenative annual, reproducing by seed Culmsmultiple from base, tufted, spreading and ascending, mat-forming and rooting at nodes, compressed, smooth Leavesblades flat or somewhat in-rolled, wide, rough above and nearly smooth below, often sparsely haired; rolled in bud; auricles absent; ligule fringe of hairs; sheaths smooth, loose, flattened and keeled, split part way, margins constricted at summit, margin Seedheadsterminal panicle, spike-like, dense, spikelet subtended by a conspicuous, invoulcre; invoulcre bur-like, burs with sharp spines and hairy