Whorled Yellow Loosestrife
Lysimachia quadrifolia Linnaeus
Whorled Yellow Loosestrife: https://marylandbiodiversity.com/species/2853
Synonyms
Whorled Loosestrife 
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Source: Wikipedia

Lysimachia quadrifolia

Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Primulaceae
Genus: Lysimachia
Species:
L. quadrifolia
Binomial name
Lysimachia quadrifolia

Lysimachia quadrifolia, the whorled loosestrife,[1] whorled yellow loosestrife,[2] or crosswort,[3] is a species of herbaceous plant in the family Primulaceae. It native to the eastern United States and Canada.

Description

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Lysimachia quadrifolia grows to a maximum height of about 1 metre (3.3 ft). 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[4] and sometimes reddish margins, and streaked with dark resin canals.[5] It is a perennial herb that grows in fens and moist prairies.[6]

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References

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  1. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  2. ^ NRCS. "Lysimachia quadrifolia". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 27 January 2016.
  3. ^ Lysimachia quadrifolia. ITIS.
  4. ^ Lysimachia quadrifolia. Freckmann Herbarium. University of Wisconsin, Stevens Point.
  5. ^ Lysimachia quadrifolia. Flora of North America.
  6. ^ "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2021-12-18.
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