Common name: Yellow Bladderwort
Utricularia australis R.Br. APNI*
Description: Suspended aquatic perennial herb.
Leaves 1.5–4 cm long, divided from base into 2 ± equal primary segments, each ± pinnately divided.
Traps on leaves; ovoid, 0.5–2.5 mm long; dimorphic with mouth lateral or basal. Raceme weakly erect, emergent, 10–30 cm long, 4–10-flowered; axis initially short, elongating in fruit; scales 1 or rarely 3, similar to the bracts, in upper half of peduncle; bracts basifixed, 3–5 mm long; bracteoles absent. Calyx lobes slightly unequal, ovate, 3–4 mm long. Corolla 12–20 mm long, yellow with reddish brown lines and spots on the darker lower lip; spur broadly conical, shorter than lower lip.
Distribution and occurrence: Grows in still or slowly flowing water, mostly at low altitudes, south from Kendall.
NSW subdivisions: NC, CC, SC, NT, CT, ST, SWS, SWP
Other Australian states: Vic. Tas. W.A. S.A. N.T.
Text by R. Rowe & E. A. Brown
Taxon concept: Flora of NSW 3 (1992)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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