Oxalis rubens Haw.

Dune Wood-sorrel

Misc. Nat. 182 (1803) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Herb with prostrate or ascending or almost scrambling stems, sometimes rooting at nodes, to 35 cm long, glabrous or sparsely antrorse-hairy; taproot absent or slender; bulbils absent. Leaves cauline, sometimes subopposite or whorled, 3-foliolate; leaflets sessile, cuneate-obcordate, 2–9 mm long, 2–11 mm wide, angular, bilobed, purplish-green, subglaucous, more or less glabrous above, sparsely pubescent below, margins ciliate, sinus to c. half leaflet length, lobes oblong to obovate, straight, divergent, apices broad-obtuse, 1.5–7 mm apart; petioles usually 7–30 mm long, with mostly antrorse hairs; stipules usually conspicuous, to c. 3 mm long, membranous and truncate or apex tapering abruptly to pedicel, ciliate. Inflorescences axillary, flowers 1- or 2 per peduncle, held usually above leaf level; peduncles longer than leaves, antrorse-hairy; pedicels erect or reflexed in fruit (but capsules erect). Sepals oblong, 3–4 mm long, often ciliate; petals 7–10 mm long, yellow. Capsule 13–24 mm long, 3–4 mm diam., moderate to broad cylindrical or narrow ellipsoid, occasionally thickened in middle, usually densely retrorse-hairy, occasionally also with longer patent septate hairs; seeds 1.7–2.2 mm long, transversely ribbed, grooves U-shaped, ribs without greyish or whitish lines or blotches. Flowers throughout the year.

EGL, GipP. Also SA, Qld, NSW, Tas. New Zealand. Confined to coastal dunes and scrub, growing on stabilised sand-dunes, in Banksia integrifolia woodland, and beaches among Spinifex sericeus.

Rarely collected in Victoria. Oxalis rubens can be confused with large-flowered forms of O. exilis (see note for O. exilis). Most collections are from coastal eastern Victoria, with two collections from Loch Ard Gorge area, near Port Campbell.

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, 2017-06-27
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 rubens in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Oxalis rubens in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Gippsland Plain present native
East Gippsland Lowlands present native

State distribution

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