Viola hultenii : {Japanese Name : Tishima Usuba Sumire}
- Viola verecunda is before Viola hultenii.
- Viola kusanoana is on the right-hand side of Viola hultenii.
Gunma / June 18, 2005
Nagano / June 10, 2023
The flowers are difficult to photograph because they grow naturally in marshy places, and the plants are short and bloom downward.
It's a flower in the end of life, but it's easy to understand.
Section |
Plagiostigma Gordon |
Scientific Name |
Type species |
Viola hultenii W. Becker : {Tishima Usuba Sumire}> Published in: Ark. Bot. 22A(3):4. (1928) |
Variety |
|
Form |
|
Synonym |
Viola blandaeformis var. pilosa Hara |
Origin |
|
Common names |
|
Stalk Form |
The individual leaves and flowering stalks emerge directly from the rootstock. |
Habitat |
Highland rainfowl, grow spontaneously on the sphagnum floor. Conifer forest zone in Hokkaido, in sub-alpine wetlands in the Chubu region etc. |
Distribution |
Japan domestic |
Scattered from Hokkaido to the Chubu region in Japan. |
Japan overseas |
Kamchatka, Kurile Islands, Sakhalin. |
Others |
|
Flower |
Shape |
Small flower (a corolla is about 12mm). |
Color |
White, purple-striate on low petal. |
Spur |
|
Season |
Late. |
Stigma |
|
Aromatic |
|
Others |
|
Leaf |
Shape |
Round leaf. |
Color |
Both surfaces are light green. |
Others |
The jagged-leaf doesn't lie on top of one another. Short hairs sparsely on the surface. |
Seed |
Shape |
|
Color |
Light brown, dark brown when fully ripe. |
Others |
|
Characteristics of roots |
|
Endangered Information |
Ministry of the Environment【EndangeredII(VU)】、Iwate:EndangeredⅠ, Niigataa:EndangeredⅡ, Gunma:EndangeredⅡ, Totigi:Nearly endangered, Nagano:EndangeredⅠ |
Type Specimen |
Kamchatka eastern and southern area |
Chromosome Number |
2n=24 |
Reference Information |
|
Others |
The indefinite bud is put out from the underground stem and it proliferates. |
Nagano / June 18, 2022