Lysimachia nummularia

Lysimachia nummularia, commonly known as Creeping Jenny, Moneywort, or Herb Twopence, is a species of flowering plant in the family Primulaceae. It is native to Europe, but has been introduced to North America where it is considered an invasive species in some areas.

Description

Lysimachia nummularia is a low-growing, sprawling plant that often forms dense mats of foliage. The leaves are opposite, round to oval in shape, and have a bright green color. The flowers are yellow, with five petals, and are typically about 2 cm in diameter. The plant blooms from late spring to early summer.

Habitat and Distribution

Lysimachia nummularia is native to Europe and western Asia. It has been introduced to North America, where it has become naturalized and is considered an invasive species in some areas. The plant prefers moist, well-drained soils and is often found in damp meadows, along riverbanks, and in other wetland habitats.

Cultivation and Uses

Lysimachia nummularia is often used as a ground cover in gardens due to its low-growing habit and attractive foliage. It is also used in hanging baskets and containers for its trailing habit. However, it can be aggressive and may need to be controlled to prevent it from spreading too widely.

In traditional medicine, Lysimachia nummularia has been used to treat various ailments, although there is limited scientific evidence to support these uses.

Invasive Species

In North America, Lysimachia nummularia is considered an invasive species in some areas. It can form dense mats of vegetation that outcompete native plants for resources. Efforts are often made to control its spread in areas where it is considered a threat to native ecosystems.

See Also

• Lysimachia
• Invasive species
• Primulaceae

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