うらじろはこやなぎなら
裏白箱柳なら
urajirohakoyanaginara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of うらじろはこやなぎ

1. If/When the back-white box willow…; If/When a hidden, pale willow…

Nara Conditional
Usually Written in Kana