Rhododendron reticulatum f. albiflorum /
Shirobanakobanomitsubatsutsuji
シロバナコバノミツバツツジ
Rhododendron reticulatum f. albiflorum is
a white form of Rhododendron
reticulatum; the
individual in the pictures above and below was in bloom on a forest
edge in a mountainous region. Bloom time: March-May.