Ranunculus pumilio R.Br. ex DC.

Ferny Small-flower Buttercup

Syst. Nat. 1: 271 (1817) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Annual, stems ascending to erect, usually 5–30(–60) cm long, densely pilose, or rarely, subglabrous. Leaves of juvenile plants broadly 3–5-lobed, adult leaves 3–5-lobed with the lobes dissected into acute lanceolate to linear segments, usually 1–4 cm long and wide overall; petioles mostly 1–7 cm long. Flowers 2–3 mm diam., sessile in axils or on pedicels to c. 15 mm long (often elongating in fruit to c. 5 cm); sepals 3–5, elliptic to obovate, c. 2 mm long, pilose on back; petals 2–4, c. spathulate, slightly shorter than sepals, pale yellow-green; nectary attached at or slightly above middle, lobe minute, triangular to obovate, fused with petal along margins; stamens 4–6. Achenes usually 10–20, broad-elliptic, 1.5–2 mm long overall, lenticular; beak obtuse or minutely hooked, c. 0.2 mm long; receptacle glabrous. 

CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HNF, HSF, LoM, MonT, MuF, MuM, MSB, NIS, OtP, OtR, RobP, SnM, Strz, VAlp, VRiv, VVP, WaP, WPro, Wim.

2 varieties, both in Victoria.

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

State distribution

Distribution map
State
Western Australia
South Australia
Queensland
New South Wales
Australian Capital Territory
Victoria
Tasmania