Plants of South Eastern New South Wales
Utricularia australis
Yellow bladderwort
Lentibulariaceae
In still or slowly flowing water. Coastal. Rarely elsewhere.
Suspended aquatic perennial herb with branched threadlike stems to 0.5 m long, stoloniferous. Insect traps on the stems. Leaves alternating up the stems, 1.5–4 cm long, divided from the base into 2 approximately equal very narrow segments, these again repeatedly divided, the ultimate segments numerous (20–80). Flowers yellow with reddish-brown lines and spots on the lower lip, 12–20 mm long, 2-lipped, the upper lip broad-oval, the lower lip much larger, kidney-shaped or transversely elliptic. Flowers emergent, in 4–10 flowered clusters about 10–30 cm long. Flowers Nov.–Apr.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Utricularia~australis (accessed 10 February, 2021)
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