Kendall County (IL) Forest Preserve District
Fringed Loosestrife
Lysimachia ciliata
[C-value
4]
Primrose family (Primulaceae)
Blooms
mid-June -
mid-August
The native Fringed Loosestrife is uncommon in our area. It prefers full sun to light shade, wet to moist conditions, and a fertile loamy soil with organic matter. Habitats include moist to wet areas of deciduous woodlands, swamps, soggy thickets, wet prairies, marshes, seeps, fens and borders of streams. This perenniall is 1-4' tall, mostly unbranched with an erect central stem. Pairs of opposite leaves occur at intervals along the stem. The leaves are up to 6" long and 2½" across, lance-shaped, and toothless on petioles up to 1½" long. Along the axils of the middle to upper leaves, individual flowers occur on pedicels up to 3" long, usually nodding downward. Each flower is ½–1" across with 5 widely spreading yellow petals tapering to slender pointed tips.
Fringed Loosestrife at Lyon Forest Preserve June 30, 2015
Fringed Loosestrife (underside) at Baker Woods Forest Preserve July 9, 2013
Fringed Loosestrife foliage at Lyon Forest Preserve June 30, 2015
Fringed Loosestrife at Rose Hill Subdivision July 6, 2013
Fringed Loosestrife colony at Baker Woods Forest Preserve July 9, 2013
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