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Viola x inouei : {Japanese Name : Usuge Sumire}
Viola x inouei
The shape of the flowers and leaves is that of Viola obtusa,
and the color of the leaves and the redness of the veins are that of Viola ovato-oblonga.
Viola x inouei
The flowers are Viola ovato-oblonga and the leaves are Viola obtusa.
Viola x inouei
The flowers are Viola obtusa and the leaves are Viola ovato-oblonga.
Ibaraki April 11, 2024
Mating parents
Viola ovato-oblonga
Viola ovato-oblonga (Miq.) Makino ( 2n=20 )
Viola obtusa
Viola obtusa (Makino) Makino ( 2n=20 )
Scientific Name
Viola x inouei F.Maek. et T.Hashim., nom. nud.　Violets Jap.: 9 (1963)
Common names
Stalk Form Hybrids between stemmed species.
Habitat Found in mountain grasslands and relatively bright deciduous forests.
Distribution Japan domestic Rarely found in western Japan.
Japan overseas
Others
Flower Shape Middle size. The shape and color are separated into cases that are close to their parents. There is no hair on the side valve.
Color Pale purple red petals.
Spur Thick cylindrical.
Season March to April.
Stigma Rod-shaped.
Aromatic Based on my investigation, I couldn't detect any fragrance. However, when I visited again two years later, I encountered a specimen that did have a fragrance.
Others
Leaf Shape Root leaves are heart or egg-shaped close to Viola obtusa.
Stem leaves are long triangle or triangular lanceolate close to Viola ovato-oblonga.
Color Surface is dark green. On the back, take on a dark brown.
Others The surface is dense short hairs. Back is hairless. The stem also has short hairs, which can be said to be an identification point.
Characteristics of roots
Endangered Information
Type Specimen
Chromosome Number
Reference Information
Others I t is basically a natural hybrid of similar violets and difficult to identify.
It is said to be sterile or incompletely fertile, with only 2 or 3 fruits set.
Viola x inouei

The whole plant is large and gives the impression of being sturdy.
Viola x inouei
The petals are dark in color, the pistil is rod-shaped,
and the lateral petals are hairless.
Ibaraki April 11, 2026

　(2012/06/21) Latest Update 2026/04/13 [805KB]

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