In between Diplarrena moraea and Talinum which one is  known as white iris?
Talinum Talinum is a genus of herbaceous succulent plants in the family Talinaceae (formerly in the family Portulacaceae) whose common names include fameflower and flameflower. Several species bear edible leaves, and "Talinum fruticosum" is widely grown in tropical regions as a leaf vegetable. "Talinum paniculatum" is grown as an ornamental plant.
Iris fulva Iris fulva (also known as copper iris) is a species in the genus "Iris", it is also in the subgenus of "Limniris" and in the "Hexagonae". It is a rhizomatous perennial, from the southern and central United States, it has copper-red to deep red flowers and bright green leaves.