Oxalis articulata Savigny

Sourgrass

Encycl. 4: 686 (1798) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Herb with stems not evident; bulbs and bulbils absent; rhizome stout, woody, to c. 15 cm long, to c. 2.5 cm diam., covered with old leaf-bases. Leaves crowded at apex of rhizome, 3-foliolate; leaflets sessile, obcordate, 10–25 mm long and wide, deeply notched, green, sparsely pubescent above and below, margins ciliate, sinus to c. one-third leaflet length, lobes oblong to obovate, apices rounded and 8–16 mm apart, calli forming a marginal band, orange; petioles 5–30 cm long, sparsely hairy; stipules membranous, tapering into petiole. Inflorescences basal, (1–)3–30-flowered; peduncles slightly longer than leaves, sparsely hairy; pedicels 10–25 mm long, sparsely to moderately hairy. Sepals lanceolate, 3–5 mm long, pubescent, green with 2 orange apical calli; petals 10–15 mm long, pink or purple. Capsule not developed in Australia. Flowers mainly Mar.–Dec.

*CVU, *EGU, *GipP, *HSF, *Strz, *VVP. Also naturalised SA, Qld, NSW, ACT, Tas. Native to South America. A weed of gardens, roadsides and other disturbed areas.

Reduced plants, e.g. those subject to heavy grazing, may produce single-flowered inflorescences.

Source: Conn, B.J.; Jeanes, J.A.; Richards, P.G. (1999). Oxalidaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2017-10-30
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Oxalidales
family Oxalidaceae
genus Oxalis
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Oxalis articulata in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Oxalis articulata in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present naturalised
Gippsland Plain present naturalised
Central Victorian Uplands present naturalised
East Gippsland Uplands present naturalised
Highlands-Southern Fall present naturalised
Strzelecki Ranges present naturalised

State distribution

Distribution map
State
South Australia
Queensland
New South Wales
Australian Capital Territory
Victoria
Tasmania