Oxalidaceae
Oxalidaceae R.Br. (1818)
Family of herbaceous, shrubby, and arborescent plants distributed across tropical and subtropical regions worldwide. Characterized by compound trifoliate leaves with nastic movements (opening and closing with light), pentamerous flowers, and capsule or berry fruits. Many species have underground structures such as bulbs, corms, or tubers allowing survival through the dry season.
Acetosella
Acetosella
Genus of perennial herbs in the family Oxalidaceae growing in woodlands, moist meadows, and shaded areas across temperate and subtropical regions worldwide. Plants form small basal rosettes with bright green trifoliate leaves that fold at night or under water stress. They produce delicate white, pink, or yellow flowers with pigmented veins. Some species form underground corms or bulbils.