In between Diplarrena moraea and Talinum which one is  known as white iris?
Diplarrena moraea Diplarrena moraea, commonly known as white iris (or butterfly flag in the UK), is a member of the iris family, Iridaceae. It occurs in Australian heathland and forest in New South Wales, Victoria and Tasmania.
Iris griffithii Iris griffithii is a species in the genus "Iris", it is also in the subgenus of Iris. It is a rhizomatous perennial, from Afghanistan. It has short, sickle-shaped leaves, short green stem and purple flowers with white beards. Several specimens exist within herbariums around Europe, but it is rarely cultivated.