Dysphania glomulifera subsp. glomulifera

Pigweed

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Somewhat fleshy annual with spreading prostrate or weakly erect branches to c. 20 cm long. Leaves shortly petiolate, spathulate to broadly elliptic, c. 2–12 mm long, 1.5–3 mm wide, sub-glabrous above, sparsely pubescent below with shortly stalked glandular hairs. Flowers minute, to c. 0.3 mm diam., crowded in sessile axillary clusters, each cluster with 1–few bisexual flowers surrounded by many female flowers; bisexual flowers with 3 free or shortly united obovate tepals, stamens 1 or 2; female flowers with 1(–2) tepals, filiform at base, expanded and spongy above, hooding the developing fruit and generally falling with the seed attached. Seed erect, dark red-brown, flattened-ovoid with a narrow flange along one side, smooth or minutely verrucose, c. 0.5 mm long.  Flowers mostly Dec.–Apr.

CVU, GipP, Gold, HSF, MuF, MuM, NIS, RobP, VRiv, VVP, Wim. Also WA, SA, Qld, NSW, ACT. Occasional on damp earth or drying mud around lakes, rivers and reservoirs, chiefly in the north-west (Mildura–Robinvale area) but scattered elsewhere in warmer districts (e.g. Dimboola, Stawell, Bendigo, Lake Eildon, Glenmaggie Reservoir).

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, 2018-12-19
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Distribution map

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Dysphania glomulifera subsp. glomulifera in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Dysphania glomulifera subsp. glomulifera in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present native
Wimmera present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Robinvale Plains present native
Murray Fans present native
Gippsland Plain present native
Goldfields present native
Central Victorian Uplands present native
Northern Inland Slopes present native
Highlands-Southern Fall present native