Mating parents Viola mandshurica W. Becker ( 2n=48 ) Viola variegata var. nipponica Makino ( 2n=24 ) Scientific Name Type species Viola x kisoana Nakai : {Kiso Sumire} Published in B. M. T. 42: 559 (1928) Variety Form Synonym Origin Naming is derived from what was found in the Kiso region of Nagano Prefecture. Common names Stalk Form Hybrids between stemless species. Habitat A sunny field of mountain plateau. Distribution Japan domestic Japan overseas Others Flower Shape Middle size. Side valve has some hair. Color In many cases, the petals are dark purple, but there are some variations according to parents. Spur Season From mid-April to late May. Stigma Aromatic Others Leaf Shape The leaves have a super-elliptical lanceolate or egg-shaped, an intermediate form of the parents. Color Generally the surface is green, and the back side is purple-red. (cf. : White Flower is also bright green back.) Others Characteristics of roots Old roots are brown and white mosaic. Endangered Information Type Specimen Kiso Ontake (Nagano Prefecture) by H. Koidzumi. Chromosome Number Reference Information Others Informations for this hybrids are very limited.