Annual Bluegrass

(Poa annua)

Annual Bluegrass

Leaves Ligule Flowers
annual bluegrass leaves annual bluegrass ligule annual bluegrass flower

Growing habits: Erect or bending cool season annual, often rooting at lower nodes

Root anatomy: Fibrous roots

Leaf anatomy: Glabrous on both surfaces, flat, soft, sheaths also glabrous, membranous ligule

Reproduction: Panicle inflorescences, open, pyramidal, spikelets 3-6 flowered

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