Viola hirtipes x V. sieboldii : {Japanese Name : Yasyu Sumire}
Mating parents
Viola hirtipes
Viola hirtipes S.Moore ( 2n=24 )
Viola sieboldi
Viola sieboldi Maxim. ( 2n=24 )
Scientific Name
Viola x sp.
Viola hirtipes S.Moore x V. sieboldii Maxim. : {Yasyu Sumire} in: Wild Violets Jap. Col.: 242, t. 103; 1-8 (1975)
Viola hirtipes x V. sieboldii f. variegata : {Fuiri Yasyu Sumire}
Viola hirtipes f. rhodovenia x V. sieboldii f. variegata : {Nishikiba Yasyu Sumire}
Common names
Stalk Form Hybrids between stemless species.
Habitat Grasslands and montane deciduous forests (parents grow wild in similar environment).
Distribution Japan domestic
Japan overseas
Flower Shape Middle size. Close to Viola hirtipes for shape and color.
Color Purple to pale purple.
Leaf Shape Egg-shaped lanceolate from egg-shaped.
Color Leaf surface is dark green, the back tinged with brown.
Characteristics of roots
Endangered Information
Type Specimen
Chromosome Number
Reference Information
"Yashu" is a place name of old age, refers to a portion of the current Totigi and Gunma prefecture.
It was found by Mr. T. Kamiyama in Nikko (Gunma Prefecture), 1957.

 (2012/02/24) Latest Update 2023/08/26 [100KB]

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