Ranunculus trichophyllus Chaix

Hist. Pl. Dauphine 1: 335 (1786) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Uncertain

Perennial submerged aquatic with stems to c. 60 cm long, often rooting at nodes. Leaves shortly petiolate; petiole bases dilated into membranous, often appressed-hairy sheaths; blades c. obovoid in vivo, 1–5 cm long and wide, repeatedly divided into filiform segments (at least the basal division trichotomous), ultimate segments c. 2–5 mm long. Flowers usually emergent on pedicels 2–5 cm long which are decurved in fruit; sepals ovate to obovate, 2–3.5 mm long, glabrous, often tinged purple, reflexed, soon deciduous; petals 4 or 5, obovate to cuneate, 3–7 mm long, entirely white or yellow at base; nectary minute, near base of petal, with a low crescentic ridge proximally; stamens 5–15. Achenes usually c. 20, obovate, lenticular, c. 1.5 mm long, prominently transversely ridged on sides; beak absent or to 0.2 mm long; receptacle hispid. Flowers Oct.–Feb.

DunT, *CVU, *EGL, *EGU, *GipP, *Glep, *Gold, *GGr, *HNF, *HSF, *LoM, *MonT, *MuM, *NIS, *OtP, *SnM, *VAlp, *VRiv, *VVP, *WaP, *Wim. Also SA, NSW, ACT, Tas. Widespread in clear, freshwater streams and lakes, chiefly in cooler parts of the State, but seldom very common.

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 (as Batrachium trichophyllum (Chaix) Bosch).
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 trichophyllus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Ranunculus trichophyllus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present introduced
Murray Mallee present introduced
Wimmera present introduced
Glenelg Plain present introduced
Victorian Volcanic Plain present introduced
Victorian Riverina present introduced
Gippsland Plain present introduced
Otway Plain present introduced
Warrnambool Plain present introduced
Goldfields present introduced
Central Victorian Uplands present introduced
Greater Grampians present introduced
Dundas Tablelands present uncertain
Northern Inland Slopes present introduced
East Gippsland Lowlands present introduced
East Gippsland Uplands present introduced
Highlands-Southern Fall present introduced
Highlands-Northern Fall present introduced
Monaro Tablelands present introduced
Victorian Alps present introduced
Snowy Mountains present introduced

State distribution

Distribution map
South Australia
New South Wales
Australian Capital Territory