Amaranthus viridis L.

Green Amaranth

Sp. Pl., edn 2, 1405 (1763) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Annual, ascending to erect herb to 1 m high. Leaves long-petiolate, ovate to c. triangular, lamina 1–10 cm long, 6–60 mm wide; apex obtuse or emarginate. Inflorescence spicate, terminal (and usually also upper-axillary) simple or branched, mostly 5–15 cm long, moderately dense. Flowers unisexual; bracts and bracteoles ovate to broadly ovate, 0.5–1.2 mm long; tepals 3, narrowly obovate, c. 1.5 mm long, acute; stamens 3. Utricle indehiscent, shortly exceeding perianth, flattened-globoid, 1.5–2 mm long, finely wrinkled and/or tuberculate; seed lenticular, brown, dull to shiny, c. 1.2 mm diam. Flowers Dec.–Apr.

*EGL, *GipP, *Gold, *MuF, *MuM, *VRiv, *VVP, *Wim. Naturalised all mainland States. Native to tropical America. An occasional weed of railyards, stock holding pens, pavements, gardens, degraded urban creeks etc., mainly in the north (e.g. Mildura, Horsham, Yarrawonga, Benalla), with a few records in the south (Colac, Melbourne, Bairnsdale).

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 viridis in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Amaranthus viridis in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present naturalised
Wimmera present introduced
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Murray Fans present naturalised
Gippsland Plain present introduced
Goldfields present naturalised
East Gippsland Lowlands present introduced

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales