For the other species, find a link below the page.
Viola grypoceras f. / Tachitubosumire(Irogawari)
タチツボスミレ(色変わり)
The viola
plant above is a color variant of the original species, Viola
grypoceras, which no one has yet to describe in academic
journals, at times found on forest floors in mountainous regions.
Bloom time: April-May.