Wurmbea dioica, commonly known as early Nancy,[2] is a species of plant in the family Colchicaceae and is endemic to Australia.

Each tepal has a purple to greenish or white nectary band one-quarter to half the length from its base.

[2][3][4][5] This species was first formally described in 1810 by Robert Brown who gave it the name Anguillaria dioica and published the description in Prodromus Florae Novae Hollandiae et Insulae Van Diemen.

[6][7] In 1877, Ferdinand von Mueller changed the name to Wurmbea dioica in Fragmenta Phytographiae Australiae.

Subspecies brevifolia is found in Victoria and South Australia, growing in drier places that subsp.