Yellow Foxtail

(Setaria pumila)

Yellow Foxtail

Leaves Sheath & Trichomes Flower
yellow foxtail leaves yellow foxtail sheath yellow foxtail flower

Growing habits: Erect tufted summer annual branching from the base

Root anatomy: Fibrous roots

Leaf anatomy: Leaves glabrous, sheaths closed and glabrous except for trichomes at mouth & along margin, membranous ligule fringed with trichomes

Reproduction: Panicle inflorescence, yellowish when mature, cylindrical, 5+ bristles per spikelet

References: Weeds of the South by Charles T. Bryson and Michael S. DeFelice