Image of a seed head of barnyardgrass, Echinochloa crusgalli.

Barnyardgrass - Echinochloa crus-galli

Echinochloa crus-galli (L.) Beauv.

Poaceae (Grass family)

MI Status

Non-native

Life cycle

Erect summer annual.

Leaves

Hairless leaves, occasionally with a few hairs near the base, are rolled in the bud and up to 20 inches long. Leaves have a distinct midvein and are rough to the touch on both surfaces.

Ligule

Absent.

Stems

Erect, thick, hairless, up to 5-foot-tall stems are round to flattened in cross-section and are often bent, branched, and purple-tinted at the base.

Flowers and fruit

The seedhead consists of several coarse, thick branches that occur in an upright to nodding terminal panicle. The green, purple to brown panicle yields tan to brown, shiny, oval seeds.

Reproduction

Seeds.

Barnyardgrass stem illustrating the absent ligule.
Barnyardgrass – Echinochloa crus-galli Ligule
Barnyardgrass seedhead that consists of several coarse, thick branches that occur in an upright terminal panicle.
Barnyardgrass – Echinochloa crus-galli Ligule Seedhead

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