| Section |
Trigonocarpae Gordon |
| Scientific Name |
| Viola kusanoana Makino Oo-tachitubo Sumire |
| Viola kusanoana f. alba Masamune Sirobana Oo-tachitubo Sumire |
| Viola kusanoana f. rosea Nagasawa Momoiro Oo-tachitubo Sumire |
| Viola kusanoana f. subrosea H. Igarashi (2000) Salirairo Oo-tachitubo Sumire |
|
| kusanoana : originating in a name of person. |
| Stalk Form |
A flower scape is extended from a stalk, and a flower blooms from each scape. |
| Habitat |
It grows wild under the bright wood of mountain. |
| Distribution |
The region of heavy snows in North Japan to San-in. It is said that the habitat was almost corresponding to the region of the maximum snowfall 50cm or more.
East Asia, Sakhalin, the Korean Peninsula, the China northeast part. |
| Flower |
Shape |
Large size. |
| Color |
Generally it is light purple. The spur is white. |
| Leaf |
Shape |
Egg shape. The venation is dented. |
| Color |
Both sides are dark green. |
| Chromosomes Number |
2n=20 |
| Others |
In early stages of the flower season, the leaf is round from both ends in many cases. |
