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Slender Yellow Wood Sorrel

Oxalis dillenii Jacq.

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31.816, -99.5121

Field Notes

Description:

The name Oxalis is derived from a Greek word for sour, referring to the sour taste of the leaves. This plant grows to 15 inches tall and develops a deep tap root. Stems are usually erect. Leaves are palmately divided into 3 heart-shaped leaflets, green to yellow-green, which fold in the evening or when it is cloudy. The yellow flowers are 1/2–1 inch across, with 5 sepals, 5 petals, 10 stamens, and 1 pistil. There are 1 to several blossoms on a slender stem borne in the leaf axils.

Source: Lady Bird Johnson Wildflower Center

Habitat:

Part shade to full sun in fields, lawns, disturbed areas, and forest edges.

Notes:

It is edible though bitter. Large quantities should be avoided by persons prone to kidney stones due oxalic acid content.

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