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dense infestation (Photo: Trevor James)
habit (Photo: Trevor James)
close-up of leaf with three heart-shaped leaflets (Photo: Trevor James)
flowers (Photo: Trevor James)
cluster of old flowers and young fruit (Photo: Trevor James)
woody rhizomes (Photo: Trevor James)
close-up of a young woody rhizome (Photo: Trevor James)
Scientific Name
Oxalis articulata Savigny
Synonyms
Oxalis floribunda Lehm.Oxalis purpurata Jacq.
Family
Oxalidaceae
Common Names
bent wood-sorrel, bent woodsorrel, jointed woodsorrel, oxalis, pink oxalis, pink sorrel, pink wood sorrel, pink-sorrel, shamrock, shamrock oxalis, sorrel, sourgrass, wood sorrel, wood-sorrel
Origin
Native to South America (i.e. Brazil, Argentina, Paraguay and Uruguay).
Naturalised Distribution
Widely naturalised in south-eastern Australia (i.e. in eastern New South Wales, the ACT, Victoria, Tasmania and south-eastern South Australia). Also occasionally naturalised on the Darling Downs, in the cooler parts of south-eastern Queensland.
Notes
Pink wood sorrel (Oxalis articulata) is regarded as an environmental weed in Victoria, New South Wales and South Australia.