Ranunculus muricatus L.

Sharp Buttercup

Sp. Pl. 555 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Tufted, glabrous to pilose annual to c. 20(–50) cm high. Leaves basal and cauline; petioles 2–12 cm long; lamina broadly ovate to subreniform, cordate at base, 1–5 cm long and wide, entire or shallowly (or the uppermost deeply) 3–5-lobed, margins coarsely crenate or dentate. Flowers solitary in upper axils or in loose terminal cymes, pedicels elongating to c. 6 cm in fruit; sepals 5, ovate, c. 5 mm long, glabrous to sparsely pilose, strongly reflexed; petals usually 5, obovate, 6–10 mm long, yellow, glossy; nectary lobe oblong, 1–2 mm long, cuneate to obovate, sometimes emarginate, free in the upper 20–50% of their length; stamens c. 15–30. Achenes 8–25, ovate to obovate, 5–7(–8) mm long, flattened, the faces evenly covered with spine-tipped tubercles or the central area lacking tubercles, margin slightly thickened; beak stout, almost straight, 1.5–3 mm long; receptacle with a few fine hairs. Flowers Aug.–Nov.

*CVU, *DunT, *EGL, *GipP, *Gold, *GGr, *HNF, *HSF, *MuF, *MuM, *MSB, *NIS, *OtP, *Strz, *VAlp, *VRiv, *VVP, *WaP, *Wim. Naturalized all States except NT. Widely naturalised in other countries, native to southern Europe. Widespread in all but the far north-west, favouring heavy waterlogged soils of the lowlands, but recorded in subalpine bogs near Mt Baw Baw.

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.
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 muricatus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Ranunculus muricatus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present naturalised
Wimmera present naturalised
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Murray Scroll Belt present introduced
Murray Fans present naturalised
Gippsland Plain present naturalised
Otway Plain present naturalised
Warrnambool Plain present introduced
Goldfields present naturalised
Central Victorian Uplands present naturalised
Greater Grampians present introduced
Dundas Tablelands present naturalised
Northern Inland Slopes present naturalised
East Gippsland Lowlands present naturalised
Highlands-Southern Fall present naturalised
Highlands-Northern Fall present naturalised
Strzelecki Ranges present naturalised
Victorian Alps present naturalised

State distribution

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