Scientific Name: Utricularia australis

Common Name: yellow bladderwort

Family Classification (Clade): Eudicots

Family: Lentibulariaceae

Threatened Species Status: Rare

Permit: It is an offence to collect, disturb, damage or destroy this species unless under permit.

Form Description: Carnivorous, aquatic herb with free-floating stems and finely divided leaves holding small bladders which trap minute aquatic animals.

Flowers: Yellow flowers with brownish spots on the prominent lip. Flowers are about 1.5cm long, and occur in groups of 3-6, held erect above the water surface by slender stems which are 8-16cm long.

Fruit: Capsule – seeds are minute.

Municipality
FlindersLauncestonSouthern MidlandsWest Coast
Plant Communities
Sedgeland and Wetland
Habitat Notes

Marshy habitat, in still or slow-flowing water up to a few metres deep. Widespread distribution, ranging from the Gordon River in the south-west to the northern part of Flinders Island in the far north-east; also reportedly from the Derwent River in the State’s south.

General Notes

Grow in still, clear water with a pH of 5-6 which has been seeded with swamp water, to provide a healthy community of microscopic fauna. Position in high light situation but do not allow water to get too hot. Grows easily in a pond in a sunny position. Anchor in place with a stone.

Propagation Calendar

  • Flowering Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Seed Collecting Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sowing Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Cutting Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Propagation Method
Division

Seed Information

Cutting & Division Information

Propagate by division, by cutting the plant into 2 or 3 sections when it is actively growing, or by turions (resting buds) formed in winter.