Utricularia australis
Yellow Bladderwort
Perennial rootless herb suspended in water. Thread-like branched stem to 50cm long. Tiny egg-shaped, bladder-like traps to 2.5mm on leaves opening on the side or base to catch tiny organisms.
Additional information
- FamilyLentibulariceae
- StoreyLower storey
- Size0.3-0.8 m long
- Plant groupingAquatic & Semi aquatic
- LeavesLeaves basal, 1.5-4 cm long, divided at base into 2 equal thread-like segments which are repeatedly divided.
- Flower colourYellow with reddish-brown markings on lower lip
- Flowering timeNovember to April
- FlowersErect spray 10-30 cm long of 4-10 flowers, raised above the water. 2-lipped flowers 12-20 mm long, upper lip broad, lower lip larger, kidney-shaped, with a raised swollen base and conical pouch-like spur.
- Bird attractingNo
- Butterfly attractingNo
- Frog habitatNo
- Growing conditionsLakes and billabongs in still or slow-moving water to 0.6 m deep. Semi to dappled shade. Locally rare.
- Garden useDams and pools.
- Commercially availableNever
- Conservation statusSignificant within the Shire. Known from very few local sites. Scattered throughout Victoria.
Photo Gallery
Photographer/s: 1 Chris Clarke, NatureShare ©; 2, 3 Helen Moss ©
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