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Plant Form: Upright aquatic herb.
Size: Up to 1 m tall.
Stem: Short, stout.
Leaves: Thick, bright green oval shaped leaf blade with pointed tip up to 30 cm long, with 11-15 longitudional veins.
Flowers: Cup shaped 2-4 cm across, with yellow centre to whitish outer, in clusters of 2-15 on the end of stalks 3-7 cm long.
Fruit and Seeds: Spherical capsules up to 2 cm diameter divided into crescent-shaped sections with numerous horseshoe-shaped brown seeds.
Habitat: Ponds, swamps, wetlands, ditches, dam edges.
Distinguishing Features: Generally smaller flowerheads than others in the Alistmataceae family. Has wider leaves than NT native plant Butomopsis latifolia.