It is a perennial plant species in the genus Oxalis native to temperate South America. It has been introduced in Europe in gardens and is now naturalized in these areas.
As the name would imply, this variety of Oxalis typically has pink to violet flowers[7] with petals 10–15 mm long.[8] This species has "Plants arising from a thick, woody, irregularly nodulate-segmented rhizome often with persistent, thickened, and lignescent petiole bases; flowers 3–12 in umbelliform cymes, less commonly in irregular cymes".[
This plant is useful.
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