Japanese iris

Short definition from Wiktionary

Noun

1. 1
   A group of iris flower species native to or cultivated in East Asia, particularly in Japan, Korea, China, Russia, and Mongolia. Scientifically, the three primary species are Iris ensata, Iris laevigata, and Iris sanguinea.
2. 2
   A fringed iris, of species (Iris japonica), native to China and Japan, not considered a Japanese iris species.