Oxalis barrelieri, the Barrelier's woodsorrel, or lavender sorrel, also commonly called in French trèfle, oseille-marron, or oseille-savane, is a plant from the genus Oxalis.
The plant grows to a height of 20âÂÂ150 cm and has pink flowers with a greenish or yellow base (Smith, 1985; pp. 624âÂÂ625). Leaflets on the stems generally have three leaves attached to the center (Smith, 1985; pp. 624âÂÂ625).
It is native to the West Indies, as well as Central and South America. It was introduced into parts of Africa, Sri Lanka, New Guinea and Southeast Asia. It is considered a weed in the Caroline and Mariana Islands and in Samoa.