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Genus Aldrovanda Family Droseraceae

Description: Submerged, free-floating aquatic herbs with simple or sparsely branched stems.

Leaves in whorls of 6–9, basally fused; lamina modified into a trap of ± semicircular upcurved halves, with digestive glands; apical bristles sensitive; petiole swollen.

Flowers axillary, solitary. Sepals, petals, stamens and styles 5.

Capsule membranous.


Distribution and occurrence: World: 1 species, Europe, Africa, Asia, Timor, Australia. Australia: 1 species (native).

Text by G. J. Harden
Taxon concept:

One species in NSW: Aldrovanda vesiculosa

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