Mating parents Viola mandshurica W. Becker ( 2n=48 ) Viola yedoensis Makino ( 2n=24 ) Scientific Name Viola x sp. Viola mandshurica W. Becker x V. yedoensis Makino Common names Stalk Form Hybrids between stemless species. Habitat Sunny mountainous district and human dwelling field. Distribution Japan domestic Japan overseas Others Flower Shape Middle size. A figure is close to Viola mandshurica in many cases. Color Although a color has much deep purplish red, it is changeful like Viola mandshurica. Spur Season Stigma Aromatic Others Leaf Shape The shape is a lancet arch (long triangle-shaped leaf). Color Both sides are deep green. Others Characteristics of roots Endangered Information Type Specimen Chromosome Number Reference Information Others The origin of the naming depends on what was found first in Omiya city (Saitama city) in 1976.