Some of the stems of Oxalis are erect, some of them are slanting on the ground, they look thin and weak, the rhizome is slightly thick, and the stems can be divided into branches at multiple levels.
Oxalis lateritis is a perennial erect herb, there is no stem on the ground.
The leaves of Oxalis are basal or alternate on the stems, the petioles are 1-13 cm long, the leaflets are like an inverted heart, the two sides of the leaves are covered with soft hairs or without hairs, but the hairs along the veins are dense.
Because there is no overground stem in Oxalis, the leaves are basal, the petioles are longer, the petioles are 5-30cm or longer.
The sepals of Oxalis are short, 3 to 5 mm long, and the petals are yellow.
The sepals under the flowers of sorrel are longer, about 4 to 7 mm long, and the petals are lavender or even deeper to purplish red.
