Callitriche umbonata Hegelm.

Verh. Bot. Vereins Prov. Brandenburg 9: 19 (1867) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Mostly amphibious, spreading or submerged. Leaves in aquatic plants dimorphic; lower leaves linear, 5–20 mm long, 0.5–1 mm wide, 1-veined, apex emarginate; upper leaves spathulate to suborbicular, 6–10 mm long, 1.5–4 mm wide, 3–5-veined, petiolate, rosetted. Flowers solitary, the females often in opposite axils; bracteoles falcate, c. 0.7 mm long, membranous, persistent; stamen to c. 3.5 mm long; styles spreading, 1–2 mm long, deciduous. Fruit more or less circular, 1.1–1.5 mm long, 1–1.2 mm wide, slightly longer than wide, subsessile, thickened at base, dark brown; wing prominent. Flowers and fruits Aug.–Dec.

CVU, GipP, Glep, Gold, GGr, HNF, HSF, LoM, MuF, MuM, NIS, OtP, VAlp, VRiv, VVP, WaP, Wim. Also SA, NSW, Tas. Scattered and uncommon, mainly in inland parts of Victoria, in damp and swampy places. .

Source: Jeanes, J.A. (1999). Callitrichaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Lamiales
genus Callitriche
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Callitriche umbonata in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Callitriche umbonata 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
Northern Inland Slopes present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Victorian Alps present native

State distribution

Distribution map
Western Australia
South Australia
New South Wales