For the other species, find a link below the page.
Viola tokubuchiana var. takedana f. albiflora /
Shirobanahinasumire
シロバナヒナアスミレ
Viola tokubuchiana var. takedana f. albiflora, a white form
of Viola tokubuchiana var. takedana, occasionally occurs in deciduous forests.
Bloom time: April-May.