Purslane Speedwell

Veronica peregrina

Alternate names
Neckweed

Weed Description
Low-growing cool-season annual native to North America and commonly found across the United States and Canada. Purslane speedwell is found in fields, cultivated areas, lawns, flowerbeds, and waste sites.

Seedlings
First true leaves are opposite and linear to oblong in shape.

Leaves
At the base of the plant leaves are arranged oppositely, linear-oblong to oblanceolate with irregularly toothed margins, and a petiole is present. Alternate leaves make up the rest of the plant and are less toothed and more entire. Leaves measure 0.5-3.5cm in length.

Stems
Erect, hairless or pubescent, and branching occurs at the base of the plant.

Flowers
Inconspicuous and white located in axles of upper leaves.

Roots
Fibrous root system from a taproot.

Seeds
Seeds are long, oval, flattened, glossy, and orange-yellow with a scar on one side.

Identifying Characteristics
Opposite and alternate leaves that are either serrated or entire. Purslane speedwell has a distinct inflorescence that is unbranched and indeterminate with small white flowers. Purslane speedwell can be mistaken for corn speedwell because of similar growth habits but differes because leaves are hairless.

Office of Programs

University of Missouri

Purslane Speedwell

Veronica peregrina