Ornduffia reniformis (R.Br.) Tippery & Les

Novon 19: 410 (2009) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Perennial to 130 cm high; stolons to 2 m long. Petioles of basal leaves to 68 cm long; floating leaves broad-ovate to circular or reniform, 3–8(–12) cm long, entire or occasionally crenate-dentate, usually deeply cordate, glossy-green above, paler or purplish beneath, blades of stranded plants erect, usually less dorsiventral and less deeply cordate to basally obtuse. Panicle erect, open, near summit of flowering stem. Flowers homostylous; calyx 6.5–12 mm long; corolla 19–43 mm diam., lobes (4–)5(–6), with broad entire to crenulate wings, not keeled; stigmas 2. Fruiting pedicels 7–25(–37) mm long, erect; capsule 6–12 mm long, c. equal to calyx, adnate to the calyx-tube only at the base; seeds ellipsoid to subglobular but strongly laterally compressed, (0.7–)1–1.5(–1.9) mm long, pale fawn to light brown, smooth or sometimes granular; caruncle absent. Flowers mostly Oct.–Mar., fruits mostly Oct.–Apr.

CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HSF, LoM, MonT, MuF, OtP, SnM, Strz, VAlp, VRiv, VVP, WaP, WPro, Wim. Also SA, Qld, NSW, Tas. Sometimes in temporarily inundated depressions.

Source: Aston, H.I. (1999). Menyanthaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne (as Villarsia reniformis R.Br.).
Updated by: Val Stajsic, 2018-08-01
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Asterales
family Menyanthaceae
genus Ornduffia
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Ornduffia reniformis in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Ornduffia reniformis in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Victorian Riverina 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
East Gippsland Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Strzelecki Ranges present native
Monaro Tablelands present native
Victorian Alps present native
Snowy Mountains present native

State distribution

Distribution map
South Australia
New South Wales