Alternanthera nodiflora R.Br.

Common Joyweed

Prodr. 417 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: data deficient (k)

Annual, stems ascending to erect, to c. 40 cm long, glabrous except about the nodes and along opposite lines of internerves on young growth. Leaves linear-lanceolate, 1.5–6 cm long, 2–5 mm wide, virtually glabrous; margins sparsely denticulate. Flowers in axillary globular spikes, 6–20 mm diam., opposite pairs of spikes often ± coalescing; bracts and bracteoles subulate, 2–3 mm long; tepals equal, narrowly acuminate, 3–5 mm long, often recurved in the upper part, white, glabrous; anthers usually 3, staminodes absent or very short. Fruit obcordate, c. 1 mm long, 1.5 mm wide. Flowers ?Jan.–Apr.

CVU, HSF, LoM, MuF, MuM, MSB, NIS, RobP, VRiv, Wim, *VVP. All mainland states. Collected rarely in Victoria, mainly from the Murray River floodplain downstream from Boundary Benb.

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
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Alternanthera nodiflora in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Alternanthera nodiflora in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Victorian Volcanic Plain present introduced
Victorian Riverina present native
Murray Scroll Belt present native
Robinvale Plains present native
Murray Fans present native
Central Victorian Uplands present native
Northern Inland Slopes present native
Highlands-Southern Fall present native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales
Australian Capital Territory