Yellow foxtail
Common Name:
foxtail, yellow
Scientific Name:
Setaria glauca
Family:
Poaceae
Lifecycle:
Annual
Features
Growth habit: Upright, tillering, not producing rhizomes or stolons; Stem: Rounded, glabrous with folded sheath; Leaf: glabrous with the exception of elongated hairs at base of leaf; Ligule: A row of hairs surrounding the stem.; Inflorescence: A spike with bristles, yellow in appearance.
Description
Annual grass, but easily mistaken for knotroot foxtail, a perennial. Knotroot foxtail produces gnarly short rhizomes. Widely distributed throughout the U.S.