Genus commonly known as loosestrife. One of 11 genera of the family Lythraceae. Includes the species: Genera Adenaria Ammannia Capuronia Crenea Cuphea Decodon Didiplis Diplusodon Galpinia Ginoria Haitia Heimia Hionanthera Koehneria Lafoensia Lagerstroemia Lawsonia Lourtella Lythrum Nesaea Pehria Pemphis Peplis Physocalymma Pleurophora Rotala Tetrataxis Woodfordia Lythraceae is a family of flowering plants. ...
Binomial name Lythrum salicaria Purple loosestrife (Lythrum salicaria)—also known as Spiked loosestrife, Purple lythrum, Rainbow weed or Salicaire—is a semi-aquatic herbaceous plant belonging to the loosestrife family, Lythraceae. ...
References
"PLANTS Classification (http://plants.usda.gov/cgi_bin/plant_profile.cgi?symbol=LYTHR)." PLANTS National Database Reports and Topics. Accessed on March 15, 2005.
March 15 is the 74th day of the year in the Gregorian Calendar (75th in Leap years). ... 2005 is a common year starting on Saturday of the Gregorian calendar. ...
Purple loosestrife has flowers with 5 to 7 purple petals; the leaves are opposite or in whorls of 3, all lacking teeth; and it has a stiff 4-sided stem that may appear woody at the base of large plants.
Purple loosestrife is an herbaceous perennial that may be from 3 to 10 feet tall, with an average height of 5 feet, and it flowers from early July to early September.
Purple loosestrife is endemic to the Old World, it was introduced to North America in the 1800's and for nearly a century it occurred as a pioneering species on the northeastern seaboard.
Purple loosestrife (Lythrum salicaria L.) is an erect, herbaceous perennial of Eurasian origin that became established in the estuaries of northeastern North America by the early 1800's.
Recent records indicate that purple loosestrife is also tolerant of soils and climates beyond these regions and threatens to become a serious problem in wetlands and irrigation systems in the Great Plains and the Far West.
Figure 2 - Distribution of purple loosestrife, broad-leaved cattail, and reed canarygrass in the Northern Hemisphere.
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