For the other species, find a link below the page.
Viola grypoceras f.
variegata / Akafutachitsubosumire
アカフタチツボスミレ
The plant in the picture above is
a variant of its original species, Viola grypoceras, referred to as
Viola grypoceras f. variegata; the leaves diversified
in a way tapering red-purple stripes, running from the blade bases
towards the ends, along the veins. Bloom time: April-May.