Yellow Woodsorrel - Oxalis

Above: Woodsorrel in Madison, Wisconsin on June 3, 2021.

Common Yellow Woodsorrel - Oxalis stricta

Yellow Woodsorrel - Oxalis dillenii

Creeping Yellow Woodsorrel - Oxalis corniculata

Woodsorrel tends to grow in woodlands, meadows, and in disturbed areas. Oxalis stricta differs from other wood sorrels by being more erect and grow 6-15″ tall (unless mowed down). Oxalis stricta also has hairy stems whereas Oxalis dillenii stems are more smooth.

Oxalis corniculata, Oxalis stricta and Oxalis dillenii all have small yellow 5-parted blossoms.

Other names for Woodsorrel: Common Yellow Woodsorrel (or simply Yellow Woodsorrel), Common Yellow Oxalis, Upright Yellow-sorrel, Lemon Clover, Sour grass, Shamrock, Sleeping beauty, Lady's Sorrel.

Lady's Sorrel
(Oxalis corniculata)
by Scottish author, Elizabeth Gordon

Lady's Sorrel sleeps so tight,

Throughout the peaceful summer night;

But her eyes fly open wide

When Sunbeam frolics by her side.

For more information on Common Yellow Woodsorrel (Oxalis stricta) visit Wikipedia.

Or, for information on Woodsorrel (Oxalis dillenii) visit the: Wisconsin State Herbarium.

Or, for information on Woodsorrel (Oxalis stricta) visit the: Wisconsin State Herbarium.

Or, for information on Woodsorrel (Oxalis corniculata) visit the: Wisconsin State Herbarium.

Or, for information on Common Yellow Woodsorrel (Oxalis stricta) visit the: Wisconsin Horticulture Division of Extension.