Ranunculus papulentus Melville

Large River Buttercup

Kew Bull. 1955: 210 (1955) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: data deficient (k)

Rhizomatous or stoloniferous perennial to c. 25 cm high. Leaves mainly tufted at base; petioles 4–20 cm long; lamina palmatisect, c. deltoid to ovate, 2–5 cm long and wide, glabrous or sub-glabrous above, sparsely pilose beneath, segments 2–6 mm wide. Flowering stems erect, exceeding leaves, 1–4-flowered; sepals 5 or 6, spreading, oblong to ovate, c. 5 mm long, sparsely hairy on back (rarely glabrous); petals 5–9, narrowly obovate to elliptic, 7–10 mm long, 2–3 mm wide, yellow, glossy; nectary lobe largely fused to petal, ovate to oblong, c. 0.5 mm long overall; stamens c. 30–40. Achenes usually 35–50, plump, obliquely obovate, c. 3 mm long, smooth or slightly undulate on sides, broadly ridged dorsally; beak slender, c. 1.5 mm long, erect or recurved; receptacle sparsely hispid between achenes, glabrous or almost so in the staminal zone. Flowers Nov.–Feb.

CVU, EGL, EGU, GipP, Gold, GGr, HNF, MonT, MuF, NIS, SnM, VVP, WaP, Wim. Also SA, NSW, ACT. Uncommon in Victoria and known with certainty from the Wulgulmerang-Benambra area, Braeside (a south-eastern Melbourne suburb) and near Natimuk. Occurs in seasonally wet areas, but ground usually dry or only moist at time of flowering. Many past distribution records are unreliable due to confusion with closely related species.

Source: Walsh, N.G. (1996). Ranunculaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-12-03
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Ranunculanae
order Ranunculales
family Ranunculaceae
genus Ranunculus
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Ranunculus papulentus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Ranunculus papulentus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Wimmera present native
Victorian Volcanic Plain present native
Murray Fans present native
Gippsland Plain present native
Warrnambool Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Highlands-Northern Fall present native
Monaro Tablelands present native
Snowy Mountains present native

State distribution

Distribution map
South Australia
New South Wales
Australian Capital Territory