into bearded irises and beardless irises according to the appendants of the outer petals ( Hu and Xiao 2012 ). As an outstanding group of beardless irises, Japanese irises are traditional plants with a history longer than 500 years in Japan, and they
the cut mat for each EU. The holes allowed insertion of specially designed aerator cups in which plants were placed. Three species of plants were used in this study, bushy bluestem, ‘Rising Sun’ japanese iris, and maidencane. ‘Rising Sun’ japanese iris
( Loreau and Hector, 2001 ). Irises from different origins have adapted to the climate in this region, such as the local species roof iris, japanese iris, and small-flower iris ( China Flora, 1985 ), long-leafed flag and ‘Chinensis’ milky iris, which are
modern-day breeders. “Color blending” was a term Burbank used to describe multiple colors blended into a single flower ( Burbank, 1914–15 ). He used the term for his Japanese iris selections ( Iris laevigata ), one of which had purple edges and veination