Lysimachia clethroides

Lysimachia clethroides, commonly known as Gooseneck Loosestrife, is a species of flowering plant in the family Primulaceae. It is native to China and Japan, but has been introduced to other parts of the world as an ornamental plant.

Description

Lysimachia clethroides is a perennial plant that grows to a height of 60–120 cm. The leaves are lanceolate, up to 10 cm long and 2 cm broad, with a smooth edge and a pointed tip. The flowers are white, produced on a terminal spike 10–20 cm long with a distinctive gooseneck shape.

Cultivation

Lysimachia clethroides is grown as an ornamental plant for its attractive spikes of white flowers. It is hardy to USDA zones 4–8. It prefers full sun to partial shade and moist, well-drained soil. It can be propagated by seed, division, or cuttings.

Uses

In traditional Chinese medicine, Lysimachia clethroides is used to treat urinary tract infections and other ailments. It is also used in the floral industry for its distinctive flower spikes.

Invasive species

In some areas, such as the northeastern United States, Lysimachia clethroides has escaped cultivation and become an invasive species. It can form dense stands that displace native vegetation and alter habitats.

See also

• List of Lysimachia species
• Invasive species in the United States

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