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 kerneriana Iris kerneriana is a species in the genus "Iris", it is also in the subgenus of Limniris and in series Spuriae. It is a small bulbous perennial plant, with fragrant, yellow flowers from Turkey. It is cultivated as an ornamental plant in temperate regions and known as "Kerner Iris" or "Kerner's Iris".