Cenchrus longispinus

Common Name Root: 
sandbur
Common Name Descriptor: 
longspine
Common Name Synonyms: 
sandspur
field sandbur
common sandbur
Scientific Name Genus: 
Cenchrus
Scientific Name Species: 
longispinus
Scientific Name Authority: 
(Hack.) Fern.
Family Name Latin: 
Poaceae (Graminae)
Family Name Common: 
Grass Family
Identification Notes
Life Cycle
native annual, reproducing by seed
Culms
multiple from base, tufted, spreading and ascending, mat-forming and rooting at nodes, compressed, smooth
Growth Habit of Longspine Sandbur
Growth Habit of Longspine Sandbur
Leaves
blades 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
Seedheads
terminal panicle, spike-like, dense, spikelet subtended by an conspicuous, invoulcre; invoulcre bur-like, burs with sharp spines and hairy
Seedheads of Longspine Sandbur
Seedheads of Longspine Sandbur