''Oxalis rubra'' is a species of flowering plant in the woodsorrel family known by the common name red woodsorrel and windowbox woodsorrel. It is sometimes considered a subspecies of ''

Oxalis articulata Flowers ''Oxalis articulata'', known as pink-sorrel, pink wood sorrel, windowbox wood-sorrel, Chari amilo (Nepal), sourgrass, Netho (khatta) saag (India) is a perennial plant species in the genus ''Oxalis'' native to temperate South America. It h ...

''. It is native to

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

, and

Uruguay Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...

, but it is widely cultivated as an

ornamental plant Ornamental plants or garden plants are plants that are primarily grown for their beauty but also for qualities such as scent or how they shape physical space. Many flowering plants and garden varieties tend to be specially bred cultivars that i ...

and can sometimes be found growing in the wild as a garden escapee. This is a perennial herb growing from a woody

rhizome In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

. There is generally no stem, the leaves arising on long petioles from ground level. Each leaf is made up of three leaflets which can vary in shape but are often heart-shaped. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is a loose array of white to purple-pink flowers.

References

External links

Jepson Manual TreatmentPhoto gallery
rubra Flora of Argentina Flora of Brazil Flora of Uruguay Garden plants {{Oxalidales-stub