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Weed Identification

centipede grass

Family

Poaceae

Scientific Name

Eremochloa ophiuroides

Synonyms (former Scientific Names):

Ischaemum ophiuroides

Habit

Its a creeping perennial that uses stolons (not rhizomes). The stolons also root at the nodes to help produce large patches.

Leaves

They are distinctly keeled and rounded at the tip. They are hairless except at the collar. The leaves can be 15 to 30 mm long and 2 to 5 mm wide.The leaves are light green in color, and it has a white midvein.

Identifying Characteristics

This grass is typically found as a desired turfgrass in the south, and is referred to as the "lazy man's grass." It can be distinguished by many features. First, it has folded vernation or folded in the bud. It is relatively hairless except around the collar region. The leaves are keeled/boat-shaped and light green in color. It has a short membranous ligule 0.5 mm tall, and it has no auricles. The collar region can have a purple tinge. The collar is also highly constricted, and is one of the most constricted or pinched of all grasses. This grass has stolons but no rhizomes.

Flower Seed Head

It is a single slender spike that is 3 to 5 inches in length and purple in color.

Where Found

Can be found in the southeastern region of the United States; from Virginia to Florida and west to Texas

Leaf Hair on Upper Surface

no hairs

Leaf Arrangement

folded in bud

Mature Leaf Width

less than 5 mm

Stem

flat or oval

Seedhead

spike

Life Cycle

perennial

Auricle

not present

Ligule

membrane

Ligule Length

less than 1 mm

Plant Type

Grass