Amaranthus deflexus L.

Spreading Amaranth

Mant. Pl. 2: 295 (1771) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Prostrate perennial. Stems glandular-pubescent when young, spreading to c. 40 cm long. Leaves long-petiolate, rhombic-ovate, lamina 5–40 mm long, 3–25 mm wide; margin often finely undulate. Inflorescence usually rather dense, spike-like, sometimes branched near base, terminal, 1–5 cm long, smaller ovoid clusters usually in upper axils. Flowers unisexual; bracts and brac-teoles ovate to obovate, to c. 1 mm long; tepals 2 (rarely 3), narrowly obovate, c. 1.5 mm long, acute, or obtuse and mucronate; stamens 2 (rarely 3). Utricle indehiscent, distinctly exceeding perianth, flattened-obovoid or ellipsoid, 2.5–3 mm long, smooth or obscurely wrinkled; seed flattened-ellipsoid, brown, shiny, c. 1 mm diam. Flowers mainly Nov.–Mar.

*GipP, *HSF, *LoM, *OtP, *Strz, *VRiv, *VVP, *WaP, *Wim. Also naturalised SA, NSW, ACT, Tas. Native to South America. An occasional weed of gardens, pavements, rail and stock yards, chiefly in southern parts of the State, often on heavy or compacted soils.

Source: Walsh, N.G. (1996). Amaranthaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-04-18
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Caryophyllanae
family Amaranthaceae
genus Amaranthus
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Amaranthus deflexus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Amaranthus deflexus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present naturalised
Wimmera present introduced
Victorian Volcanic Plain present naturalised
Victorian Riverina present introduced
Gippsland Plain present naturalised
Otway Plain present introduced
Warrnambool Plain present introduced
Highlands-Southern Fall present naturalised
Strzelecki Ranges present introduced

State distribution

Distribution map
South Australia
New South Wales
Australian Capital Territory