Mayweed

A genus of flowering plants in the daisy family

Mayweed refers to several species of flowering plants in the Asteraceae family, commonly known as the daisy family. These plants are often found in temperate regions and are known for their daisy-like flowers. The term "mayweed" can refer to different species, but it is most commonly associated with the genus Tripleurospermum.

Description

Tripleurospermum inodorum

Mayweeds are herbaceous plants that typically grow in disturbed soils, such as roadsides, fields, and gardens. They are characterized by their white ray florets and yellow disc florets, which resemble the common daisy. The leaves are usually finely divided and can be aromatic when crushed.

Species

The genus Tripleurospermum includes several species, but the most notable is Tripleurospermum inodorum, commonly known as scentless mayweed. This species is widespread across Europe and has been introduced to other parts of the world, including North America.

Tripleurospermum inodorum

Tripleurospermum inodorum, or scentless mayweed, is an annual plant that can grow up to 80 cm tall. It is distinguished by its lack of scent, which differentiates it from other similar species. The plant flowers from June to September, producing numerous daisy-like flowers.

Habitat and Distribution

Mayweeds are commonly found in temperate regions across the globe. They thrive in disturbed soils and are often considered weeds in agricultural settings. Tripleurospermum inodorum is particularly widespread in Europe and has become naturalized in North America.

Ecological Impact

Mayweeds can be invasive in some regions, competing with native vegetation and crops. They are often found in agricultural fields, where they can affect crop yields. However, they also provide habitat and food for various insects, including pollinators.

Uses

While often considered weeds, some mayweed species have been used in traditional medicine. They are sometimes used for their anti-inflammatory properties and to treat various ailments, although scientific evidence supporting these uses is limited.

Related Pages

• Asteraceae
• Daisy
• Invasive species