Atriplex australasica Moq.

Native Orache

Chenop. Monogr. Enum 59 (1840) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Erect annual to c. 1 m high, monoecious. Leaves petiolate, alternate, the lower lanceolate to narrow-rhombic, 5–10 cm long, 1.5–4 cm wide, entire or lobed, often with a pair of forward-directed basal lobes, glabrous or mealy beneath, particularly when young; upper leaves mostly entire, linear, smaller than lower. Inflorescence spike-like or narrowly paniculate with male and female flowers mixed within small clusters which may be continuous along branches of inflorescence. Fruiting bracteoles sessile, deltoid to nearly circular, 3–5 mm long and wide, free from midway or lower, thickened, usually with large spongy cells apparent at least near base when mature, margins entire or shallowly toothed, dorsal surface smooth or commonly with 2 warty protuberances. Fruits Aug.–May.

EGL, GipP, LoM, MuM, OtP, VVP, WaP, Wim. Also SA, NSW, Tas. Occurs on the margins of salt and brackish lakes in the north and west of the state (e.g. near Mildura, Wyperfeld National Park, Lake Corangamite, Lake Connewarre), mostly coastal or estuarine in the east (Gippsland Lakes, Wingan Inlet, Mallacoota area).

Variable in leaf size and degree of lobing. Plants from inland sites generally have narrow entire leaves and those from the east have broader, coarsely toothed or lobed leaves.

Source: Walsh, N.G. (1996). Chenopodiaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2019-12-11
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Caryophyllanae
genus Atriplex
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Atriplex australasica in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Atriplex australasica in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Victorian Volcanic Plain present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
East Gippsland Lowlands present native