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 narcissiflora Iris narcissiflora is a species in the genus "Iris", it is also in the subgenus of Iris and in the "Pseudoregelia section". It is a rhizomatous perennial, from China. It has pale green, thin, sword-shaped leaves, medium-long slender stem and 1 yellow flower. It is cultivated as an ornamental plant in temperate regions.