Oxalis articulata
Savigny SourgrassHerb 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.
MuM, Wim, VVP, GipP, WaP, Gold, CVU, NIS, EGL, EGU, HSF, HNF, Strz. 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.
Conn, B.J.; Jeanes, J.A.; Richards, P.G. (1999). Oxalidaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 207–218. Inkata Press, Melbourne.
Spinning
