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