| Section | Chamaemelanium Gingins | |
|---|---|---|
| Scientific Name | Type species | Viola yubariana Nakai Published in: Bot. Mag., Tokyo 36: 31 & [53] (1922) |
| Variety | ||
| Form | ||
| Synonym |
Viola brevistipulata var. crassiforia (Koidz.) F.Maek. Published in: Bot. Mag. (Tokyo) 31: 139 (1917)
Viola brevistipulata var. crassiforia (Koidz.) F.Maek. ex S.Akiyama, H.Ohba & Tabuchi Published in: Fl. Japan, 2c: 187 (1999)
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| Origin | yubariana : It originates in the name of a place (or mountain). | |
| Common names | ||
| Stalk Form | A flower scape is extended from a stalk, and a flower blooms from each scape. | |
| Habitat | It grows wild in the grit ground of a humid ultrabasic rock area. | |
| Distribution | Japan domestic | A Japanese endemic species. It grows wild only in Hokkaido. |
| Japan overseas | ||
| Others | ||
| Flower | Shape | Middle size. Hair is sparse on the base of the side valve. |
| Color | Deep bright yellow. A deep purple article enters into the labial palp. The back side of a petal wears purple. | |
| Spur | Small. | |
| Season | Due to its alpine nature, the flowering time is late (from the end of June to the middle of July). April in Tokyo area cultivation environment. | |
| Stigma | ||
| Aromatic | ||
| Others | ||
| Leaf | Shape | Heart-shaped long triangle form. There is a dent along a pulse. Height of grass is low. |
| Color | Mainly glossy and thick green. A venation and the back are tinged with red. | |
| Others | ||
| Seed | Shape | |
| Color | ||
| Others | ||
| Characteristics of roots | ||
| Endangered Information | Ministry of the Environment [VU (Vulnerable) II], Hokkaido：ThreatenedⅠ | |
| Type Specimen | Ishikari, Mt. Yubarisan by H.Koidzumi. | |
| Chromosome Number | 2n=12 | |
| Reference Information | ||
| Others | A stalk is purplish red. This is a dwarfish plant by the ultrabasic rock. | |
