''Lysimachia quadrifolia'', the whorled loosestrife,
whorled yellow loosestrife, or crosswort, is a species of
herbaceous plant
Herbaceous plants are vascular plants that have no persistent wood, woody stems above ground. This broad category of plants includes many perennial plant, perennials, and nearly all Annual plant, annuals and Biennial plant, biennials.
Definition ...
in the family
Primulaceae
The Primulaceae , commonly known as the primrose family (but not related to the evening primrose family), are a family of herbaceous and woody flowering plants including some favourite garden plants and wildflowers. Most are perennial though som ...
. It native to the eastern United States and Canada.
Description
''Lysimachia quadrifolia'' grows to a maximum height of about . The long roots are shallow, sometimes spreading along the surface of the ground. It usually has simple, unbranched stems. The leaves are spotted and hairy on the undersides. They are borne in whorls of 3 to 7 around the stem. The flowers grow on long stalks from the leaf whorls. The five-parted flower is yellow with a reddish center and sometimes reddish margins, and streaked with dark resin canals. It is a perennial herb that grows in fens and moist prairies.
Gallery
File:Lysimachia quadrifolia.jpg, Form
File:Lysimachia quadrilfolia 6041.JPG, Flower
File:Whorled Loosestrife (1054676614).jpg, Whorl
References
External links
quadrifolia
Flora of Eastern Canada
Flora of the Eastern United States
Flora of the Great Lakes region (North America)
Plants described in 1753
Taxa named by Carl Linnaeus
{{Primulaceae-stub