Utricularia uniflora R.Br.

Single Bladderwort

Prodr. 431 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: data deficient (k)

Terrestrial, probably perennial; stolons present. Leaves few, obovate, 4–8 mm long, 1–2 mm wide. Traps few on stolons, globose, 0.8–1.5 mm long. Raceme solitary, erect, 4–30 cm long, 1- or 2-flowered; sterile bracts absent; fertile bracts c. basifixed, ovate, c. 3 mm long; bracteoles similar to bracts; calyx-lobes unequal, upper lobe ovate, 3–6 mm long, lower lobe broad-ovate or oblong-elliptic, shorter. Corolla 9–15 mm long, mostly mauve or lilac; upper lip obovate, emarginate; lower lip much larger, broad-ovate, with 8–10 short longitudinal ridges, the central 2 yellow, lateral ones white; palate pubescent; spur cylindric, c. as long as lower lip, apex rounded. Capsule globose, c. 3 mm diam.; seeds obovoid to ellipsoid, 0.3–0.4 mm long. Flowers mostly Sep.–Jan.

CVU, EGL, GipP, Glep, GGr, HSF, LoM, NIS. Also Qld, NSW, Tas. In Victoria possibly confined to far East Gippsland with an old collection simply labelled 'Port Phillip' of doubtful provenance. Grows in bogs and along rocky stream banks at low or moderate altitudes.

Source: Jeanes, J.A. (1999). Lentibulariaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2019-05-10
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Lamiales
genus Utricularia
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Utricularia uniflora in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Utricularia uniflora in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Glenelg Plain present native
Gippsland Plain present native
Central Victorian Uplands present native
Greater Grampians present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
Highlands-Southern Fall present native

State distribution

Distribution map
New South Wales
Australian Capital Territory