Wetlands are the most biologically diverse, productive component of our ecosystem. Purple loosestrife is an invasive species from Europe and Asia that can invade freshwater wetlands and crowd out native plants that provide ideal habitat for a variety of waterfowl and other wetland animals. https://www.britannica.com/plant/purple-loosestrife, Myrtales: Family distributions and abundance. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Small infestations can be controlled by removing all roots and underground stems. Purple loosestrife is native to Europe and Asia. These factors allow purple loosestrife to spread rapidly through wetlands and other areas where it chokes out other desirable native vegetation and eliminates open water habitat that is important to wildlife. Purple loosestrife can spread within marsh systems to create monotypic stands. Purple loosestrife is a very hardy perennial which can rapidly degrade wetlands, diminishing their value for wildlife habitat. Crowds out native species (Munger 2002) Dispose of plants and roots by drying and burning or by composting in an enclosed area. No. Purple loosestrife is one of the most useful alterative and astringent herbs. MI-Purple (Loosestrife) Pages (MSU) (LYSA2) MN-Invasive Exotic Species (DNR) (LYSA2) ND-Identification and Control of Purple Loosestrife (LYSA2) NPCI Alien Plant Working Group: abstract & image (LYSA2) NV-Extension Weed Wanted Posters (LYSA2) National Project for the Biological Control of Purple Loosestrife (LYSA2) Habitat Purple loosestrife grows in a variety of wet habitats, including wet meadows, marshes, river banks, and the edges of ponds and reservoirs. Details on how you can control purple loosestrife on your property or shoreline. A single plant c… Purple loosestrife reproduces both by seed and vegetative propagation which allows it to quickly invade new landscapes. Each stem is four- to six-sided. This page last modified on May 04, 2016 Dense growth along shoreland areas makes it difficult to access open water. Lythrum salicaria is a herbaceous perennial plant, that can grow 1–2 m tall, forming clonal colonies 1.5 m or more in width with numerous erect stems growing from a single woody root mass. It features pink, purple or magenta flowers in dense spikes, up to 18 in. Gardeners, waterfowl hunters, and other outdoor enthusiasts should know how to identify purple loosestrife — detecting new infestations can prevent the spread of this plant. Unauthorized introduction of plants or fish into the wild is illegal. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Species Lythrum salicaria L. – purple loosestrife P Enter a scientific or common name at any rank. Loosestrife plants are typically found in poorly drained soils of road right-of-ways and trails, drainage ditches, culverts, lake shores, stream banks, and a variety of wetland habitats. Purple loosestrife affects natural areas by changing wetland physical structure, plant species composition, and even water chemistry. Purple loosetrife is on the Control noxious weed list meaning you must prevent the spread of this plant. It is believed to have been first introduced into the U.S. from seed contained in ships ballast, and it became established in certain estuaries in the northeastern states by the early 1800s. Purple loosestrife is a perennial, with a dense, woody rootstock that can produce dozens of stems. Seed development begins by late July and continues throughout the season and into autumn. Wetland perennial, three to seven feet tall, with up to 50 stems topped with purple flower spikes. Several species of native wildflowers display characteristics similar to purple loosestrife. long (10-15 cm). Purple Loosestrife: What You Should Know, What You Can Do, Biological Control of Purple Loosestrife, 4-H Leader's Manual, Publication: Purple Loosestrife WATCH Card, Publication: Aquatic Invasive Species WATCH Cards (Full Deck), Mature plants have many stems that grow from a root crown (2). that wildlife uses as food or shelter. As its name suggests, purple loosestrife is hemostatic and also helps against diarrhea. Its astringent action is potent but not drying, as it promotes secretions of the mucous membrane and leaves them moist. Invasive species cause recreational, economic and ecological damage—changing how residents and visitors use and enjoy Minnesota waters.Purple loosestrife impacts: 1. European garden books mention the purple loosestrife all the way back to the Middle Ages. Purple loosestrife has been declared a noxious weed in 32 states. Such a shift in the density and number of species present in a marsh presents challenges to the animal species living in that marsh. After multiple introductions in the 1800s for bee keeping, as an ornamental plant, and in discarded soil used as ballast on ships, this European species has invaded nearly every U.S. state and at least six Canadian provinces. Purple loosestrife usually grows to a height of 3 to 7 ft., but it can grow as tall as 12 ft. Purple loosestrife is a prohibited invasive species. illustrate identifying characteristics of purple loosestrife, biocontrol agent life stages, and biocontrol agent damage to purple loosestrife plants. Purple loosestrife can invade many wetland types including wet meadows, stream banks, pond or lake edges and ditches. A species profile for Purple Loosestrife. Specimens are needed to confirm sightings, but some jurisdictions prohibit or discourage possession and transport of purple loosestrife and other invasive aquatic plants and animals. This highly invasive plant was likely introduced when its seeds were included in soil used as ballast in European sailing ships and discarded in North America. Thick stands of purple loosestrife crowd out native plants and reduce food, shelter, and nesting sites for wildlife, birds, turtles, and frogs. Purple loosestrife (Lythrum salicaria) is an invasive perennial plant that is spreading rapidly in North American wetlands, shorelines, and roadside ditches. Purple loosestrife is a wetland plant native to Europe and Asia that was brought to North America the early 19 th century. Purple loosestrife (Lythrum salicaria) is originally from the Old World, but its range has extended from Europe and Asia into North America and southeastern Australia. The pollen and nectar that purple loosestrife possess makes delicious honey. Leaves slightly hairy are lance shaped and can be opposite or in whorls of 3. It is native to Europe and Asia, and is responsible for a considerable amount of the degradation to wetlands throughout the United States. Clipped plants grow back and cut stems readily re-root in the soil to produce new plants. It has gradually spread throughout much of the United Stat… A bumblebee visits an invasive purple loosestrife plant growing along the shoreline of Havre de Grace, Md., on July 25, 2016. A mature plant can develop into a large clump of stems up to five feet in diameter. Dense root systems change the hydrology of wetlands. What does purple loosestrife look like? Report New Sightings (less than 100 plants) — note exact location; wrap a plant fragment of stem, leaves and flower spike in a wet paper towel, place in a sealed plastic bag; and call a Minnesota DNR Invasive Species Specialist (see www.mndnr.gov/invasives/contacts.html), 1-888-MINNDNR or (651) 259-5100; or the Minnesota Sea Grant Program in Duluth, (218) 726-8712. Biocontrol agents life stages (eggs, larvae, pupae, adults), life cycle, habitat preference, damage, and current status and availability are Montana's Purple Loosestrife Task Force is led by Dave Burch who can be contacted at: (406) 444-3140 or firstname.lastname@example.org Purple Loosestrife was introduced from Eurasia for its ornamental and medicinal qualities, but escaped cultivation and has become a noxious weed in many portions of North America (DiTomaso and Healy 2003). Although many alien invasive plants have naturalized by escaping gardens, purple loosestrife basically began naturalizing on its own in rural areas.