About Ornduffia reniformis (R.Br.) Tippery & Les
Ornduffia reniformis is an emergent aquatic perennial herb that grows up to 1.3 metres tall. It produces round to kidney-shaped (reniform), glossy green floating leaves that measure 3โ12 mm across. Its yellow flowers grow on erect panicles between October and March; individual flowers are 6.5โ12 mm long and 19โ43 mm in diameter. Seed capsules of this species are 6โ12 mm long, and fruiting occurs mainly between October and April. This species is found in parts of Queensland, New South Wales, South Australia, Victoria, and Tasmania. It grows in freshwater wetland habitats, including temporarily flooded depressions.