Trithuria submersa Hook.f.


Fl. Tasman. 2: 79, t. 138 fig. A (1858) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Leaves 15–40(–50) mm long, usually reddish. Inflorescences several, each borne on an axis (5–)10–32(–40) mm long; bracts ovate to narrowly ovate, 2–3 mm long, longer than the flowers; stamens 2–6 per inflorescence, surrounded by c. 10–20 ovaries (female flowers); styles 3, appearing as 6 when divided. Flowers (Sep.–)Nov.–Dec.(–Feb.).

CVU, DunT, GipP, Glep, Gold, GGr, LoM, MuF, MuM, OtP, VRiv, VVP, WaP, Wim. All states except NT, Qld. Scattered in areas subjected to flooding, shallow temporary depressions and small watercourses.

Source: Conn, B.J. (1994). Hydatellaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Nymphaeanae
order Nymphaeales
family Hydatellaceae
genus Trithuria
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Trithuria submersa in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Trithuria submersa 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 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

State distribution

Distribution map
Western Australia
South Australia
New South Wales