1、 Plant differences:

Some of the stems of Oxalis sorrel grow upright and some are askew on the ground. They look slender and weak. The rhizomes are slightly thick, and the stems can be forked at multiple levels

Oxalis sorrel is a perennial upright herb, and there is no stem on the ground

2、 Different blades:

Oxalis sorrel leaves are basal or alternate on the stem, the petiole is 1-13 cm long, the leaflets seem to be inverted heart-shaped, the two sides of the leaves are covered with soft small hairs or no hairs, but the small hairs along the leaf veins are dense

Oxalis sorrel has no aboveground stem, so the leaves are basal, the petiole is longer, and the petiole is 5-30 cm or longer

3、 Different flowers:

The lower sepals of Oxalis are short, 3 to 5 mm long, and the petals are yellow

The sepals under the flowers of Oxalis sorrel are longer, about 4 to 7 mm long, and the petals are light purple or even deeper to purplish red