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 dolichosiphon Iris dolichosiphon 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 and Bhutan. It has long, thin dark green leaves, very short stem, and dark blue, purple, or violet flowers. That are mottled with white. It has thick white/orange beards. It has one subspecies, "Iris dolichosiphon subsp. orientalis", from China, India and Burma. It has similar flowers. They are cultivated as ornamental plants in temperate regions