Carpetweed, Mollugo verticillata L.

Life Cycle

Annual.

Propagation

Reproducing only by seed.

Stems

Thin, yellowish-green stems.

Leaves

Flat leaves in whorls of 3 to 8 at each node.

Flowers and Fruit

Carpetweed flowers from June to August. Clusters of small, pale green to whitish flowers on short (5-15mm) stalks that come from the axils of the whorled leaves. Flowers usually have 3 stamens. Seedpods are small (3mm long) and ovoid and split lengthwise to reveal the tiny seeds.

Distinguishing Features

It is distinguished from prostrate spurges (like Hairy-fruited spurge), by its whorls of leaves and complete absence of white, milky juice.


Figure #1.

Carpetweed.


Figure #2.

Carpetweed plant with root. Note whorled leaves and white flowers.


Figure #3.


Figure #4.

Carpetweed growing in field. Photo taken in Southwestern Ontario, late June.