For the other species, find a link below the page.
Viola kusanoana f. pubescens /
Keootachitsubosumire ケオオタチツボスミレ
Viola kusanoana f.
pubescens, a form of
Viola kusanoana,
has somewhat dense, short hairs on peduncles, emerging straight
sideways. A close look would be indispensable to find one in
nature.
Bloom time: April-May.