Mating parents Viola faurieana W. Becker ( 2n=20 ) Viola rostrata Pursh subsp. japonica W.Becker et H.Boissieu ( 2n=20 ) Scientific Name Viola x sp. Viola faurieana W. Becker x V. rostrata Pursh subsp. japonica W.Becker et H.Boissieu in: Wild Violets Jap. Col.: 97, t. 29 (1975) Common names Stalk Form Hybrids between stemless species. Habitat Parents grow in snow country. It is natural hybrid in the Sea of Japan side rarely seen. Distribution Japan domestic Japan overseas Others Flower Shape Middle size. It may have characteristics close to rostrata subsp. japonica. In addition, it may have combines the characteristics of the parents. Color Flowers are pale purple. Purple lines appear on the valve and labellum. Spur Season Cylindrical. Stigma Aromatic Others Leaf Shape Egg-shaped or heart-shaped center of circle close to the triangle. In flowering season, there is a gloss that came from Viola rostrata. Color Both surfaces are dark green. Others Characteristics of roots Endangered Information Type Specimen Chromosome Number Reference Information Others Sterility. Increase in the roots and rhizomes.