Wurmbea pygmaea, also known as One-flower Nancy, is a species of plant in the Colchicaceae family that is endemic to Australia.
The species is a cormous perennial herb that grows to a height of 4–17 cm. Its solitary white flower appears in spring.
The species is found in south-eastern Australia in New South Wales, South Australia, Victoria and Tasmania. It grows in marshy places.[1]