Common Name: Purple Loosestrife Scientific Name: Lythrum salicaria L. Purple loosestrife (Lythrum salicaria L.) is a wetland perennial that forms large, monotypic stands throughout the temperate regions of the U.S. and Canada.This aggressive invader replaces native vegetation, degrades wildlife habitat, and obstructs natural waterways. 2016 Footnote 1). Below you’ll learn the parts used, harvest time, nutrition and other ways humans use this amazing plant. gracilior Turcz. Its square stems and opposite leaves may mislead you to think that it is a member of the Mint family, until you examine the flowers. Genus name honors King Lysimachus (661-281 B.C. This data set contains county-level distribution information for Purple loosestrife (scientific name - Lythrum salicaria) in the United States. Purple loosestrife (Lythrum salicaria) is a woody half-shrub, wetland perennial that has the ability to out-compete most native species in BC’s wetland ecosystems.Dense stands of purple loosestrife threaten plant and animal diversity. If you select any attributes with or without a plant name, you will see a much narrower selection of results taken only from the old RHS Plant Selector database. In the wild, the deciduous and robust plant grows on the edge of streams or ditches and within wetlands and waters. Purple Loosestrife is competitive and colonial, often replacing native vegetation to form monocultures (DiTomaso and Healy 2003). Purple Loosestrife. The common loosestrife in North America has been shown not to displace native plant species, and it is also a source of food for many insects. Lythrum plants were brought to North Dakota for flower gardens because of their striking color, ease of growth, winter hardiness, and lack of insect or disease problems. Purple Loosestrife. Other common names of the invasive plant are spiked loosestrife, beautiful killer, salicare, blooming sally, flowering sally, and purple … (3.8-10.2 cm) long and round or heart-shaped at the base. Lythrum salicaria is a tall, multistemmed (30-50 per plant), perennial forb that can grow up to 10 ft. (3 m) in height.. Foliage. Canadian: Occurs in all provinces but not in the territories (Brouillet et al. Its long stalks of purple flowers are a common sight in wetlands. It is a wetland plant and does well near water. Purple-loosestrife can be found in wet habitats, such as reedbeds, fens, marshes and riverbanks, where its impressive spikes of magenta flowers rise up among the grasses. A plant of European origin, it is an erect, hairy perennial that can reach up to 2m high. The Arrival. A perennial from Europe, purple loosestrife (Lythrum salicaria) usually grows from 3-5 feet tall, but can reach a height of up to 7 feet. The Problem. The opposite or whorled leaves are dark-green, lance-shaped, sessile, 1.5-4 in. About Common Loosestrife (Lythrum californicum) 0 Nurseries Carry This Plant Add to My Plant List; Lythrum californicum is a species of flowering plant in the loosestrife family known by the common name California loosestrife. Its displacement of native species in wetlands has led to the loss of suitable habitat for wildlife. mairei H.Lév. Purple loosestrife produces thick, woody roots. Habitat: It prefers moist, highly organic soils and neutral to alkaline pH. See more ideas about Plants, Common names, Perennials. Many tall … Lythrum salicaria var. Lythraceae. Purple loosestrife (Lythrum salicaria), a beautiful but aggressive invader, arrived in eastern North America in the early 1800’s.Plants were brought to North America by settlers for their flower gardens, and seeds were present in the ballast holds of European ships that used soil to weigh down the vessels for stability on the ocean. 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