Oxalis hirta L.

Hairy Wood-sorrel

Sp. Pl. 434 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Herb with erect stem to 30 cm high, 1–2.2 mm wide, pubescent to hirsute, scaly at base; bulb ovoid to subglobose, 2–3 cm long, tunic dark red-brown; bulbils subterranean, formed on rhizome. Leaves cauline, alternate on upper stems, 3-foliolate; leaflets sessile, linear, oblong or obovate, 5–15(–17) mm long, 3–5(–7) mm wide, slightly emarginate, often conduplicate-falcate, green, glabrous above, pilose, with numerous calli below (sometimes faint), margins ciliate; petioles 1–2(–5) mm long, flattened, scaly; stipules tapering into petiole. Inflorescences axillary, 1-flowered; peduncles longer than leaves. Sepals lanceolate, 4–8 mm long, pubescent, calli absent, ciliate. Petals 14–30 mm long, pink or purplish, yellow at base, the outer surface hairy. Capsule not developed in Australia. Flowers Apr.–Jul.

*DunT, *GipP, *VVP. Also naturalised WA, SA. Native to South Africa. Presumably a garden-escape, noted in greater Melbourne area, at Crib Point on the Mornington Peninsula, and Brit Brit in western Victoria.

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, 2020-03-18
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Oxalidales
family Oxalidaceae
genus Oxalis
Higher taxa
species Oxalis hirta L.


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

State distribution

Distribution map
Western Australia
South Australia