Whorled Loosestrife (Lysimachia quadrifolia) Linnaeus, 1753

 

Synonyms: Lysimachia hirsuta, whorled yellow loosestrife

 

 

Lysimachia quadrifolia is a forb found in eastern North America from southern Ontario and New Brunswick to Alabama and northern Georgia. It occurs in hardwood forests, thickets, fens, fields, and roadsides, from sea level to 1,000 m. The stems are erect, up to 100 cm in height; the leaves are whorled, elliptic to lanceolate, with entire margins. The flowers grow on long stalks from the leaf whorls; the corolla is yellow with a reddish centre, streaked with dark resin canals. This species flowers in May-June.

 

		D60555 Whorled Loosestrife (Lysimachia quadrifolia) Bear Creek Preserve, Luzerne County Pennsylvania, USA Copyright © Michael Patrikeev All Rights Reserved
		D60559 Whorled Loosestrife (Lysimachia quadrifolia) Bear Creek Preserve, Luzerne County Pennsylvania, USA Copyright © Michael Patrikeev All Rights Reserved

 

		D60564 Whorled Loosestrife (Lysimachia quadrifolia) Bear Creek Preserve, Luzerne County Pennsylvania, USA Copyright © Michael Patrikeev All Rights Reserved
		D60563 Whorled Loosestrife (Lysimachia quadrifolia) Bear Creek Preserve, Luzerne County Pennsylvania, USA Copyright © Michael Patrikeev All Rights Reserved
		D38828 Whorled Loosestrife (Lysimachia quadrifolia) Dawson Forest Georgia, USA Copyright © Michael Patrikeev All Rights Reserved
		D60552 Whorled Loosestrife (Lysimachia quadrifolia) Bear Creek Preserve, Luzerne County Pennsylvania, USA Copyright © Michael Patrikeev All Rights Reserved
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