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Viola rhizomata : {Japanese Name : Turu Tatitubo Sumire}
[Note] It may be confirmed as an independent species by recent research results.
Viola rhizomata
Along the forest path, a bright broadleaf tree had many small leaves. White flowers with thin spurs were in bloom.
Hiroshima / March 17, 2025 alt.=800m
Viola rhizomata Viola rhizomata
Tokyo / April 9, 2011 Cultivation
Viola rhizomata
The thin, white spur occasionally curves upwards.
Viola rhizomata
The very elongated buds have a unique appearance.
Hiroshima / March 17, 2025
Section Trigonocarpae Gordon
Scientific Name Type species Viola rhizomata (Nakai) Ohwi : {Turu Tatitubo Sumire}
Variety
Form
Synonym
Viola grypoceras A. Gray var. rhizomata (Nakai) Ohwi
Viola faurieana W. Becker var. rhizomata (Nakai) F.Maek. et T.Hashim.
Origin rhizomata : rhizome
Common names
Stalk Form A flower scape is extended from a stalk, and a flower blooms from each scape.
The stalk becomes a height of about 30-40cm in summer.
Habitat Bright forest edges where show a slight drying that the altitude is located slightly rather high.
Distribution Japan domestic Distributed in Japan Sea side over Cyubu, Chugoku and Hokuriku district.
Japan overseas
Others
Flower Shape Middle size. It is rather thin than an authentic sample of the Viola grypoceras. The base of the side dialect is hairlessness.
Color Light purple.
Spur White. Cylindrical and thin. Tend to bend upwards.
Season May to early June.
Stigma Stick-shaped.
Aromatic Unscented.
Others Not many flowers.
Leaf Shape Wide triangles. The base is truncated or shallow heart-shaped. The tip is slightly pointed.
Color The surface is myrtle green with the luster. The back side is green.
Others Hairless on both sides. The root fresh leaves that grew in the previous year have a rather hard leaf quality. The mulberry leaves are roughly shaped like comb teeth.
Seed Shape Medium size.
Color Seeds: brown, Seed pillow: shiny light brown white.
Others About 6 to 15 fruits will be produced per fruit.
Characteristics of roots
Endangered Information Akita：ThreatenedⅠ, Yamagata：ThreatenedⅠ, Niigata：Local population, Ishikawa：ThreatenedⅡ, Kyoto：ThreatenedⅠ, Hyogo：ThreatenedⅠ, Tottori：ThreatenedⅡ, Okayama：ThreatenedⅡ
Type Specimen
Chromosome Number 2n=20
Reference Information
Others It is regarded as the plant which fitted the snowiness zone. It lengthens a stem and makes new stock.
Viola rhizomata
These may be leaves from the previous year.
They are dark in color and give the impression of being flat and hard.
Viola rhizomata
On the other hand,
the early leaves that are rolling up look bright and soft.
Viola rhizomata
The leaf shape and texture make it easy to understand why it is said to have been derived from the San'in type V. grypoceras.
2025/05/19

Viola rhizomata
　Once the dead leaves are removed, the rhizomes are easily exposed. They look like above-ground stems (stolons). By gently loosening them with your fingers, you can trace them to the neighboring plants and see that all the plants are connected. They have a so-called network structure, and the fact that they are connected like strawberries means that all the plants in the network are the same. There are white hairy roots, and no vertical taproot. This appearance may be the reason for the plant's other name, "Spinel Violet."
2025/05/19

Viola rhizomata
The leaves are spreading out, covering the ground.
I wondered how many plants there were. Compared to the leaves, the number of flowers is not so many.
Hiroshima / March 17, 2025

　(2011/04/10) Latest Update 2025/05/21 [1.80MB]

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