こうようゆきざさであれば
広葉雪笹であれば
kōyō yukizasadeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of ひろはゆきざさ

1. If it were broadleaf snow bamboo:; If broadleaf snow bamboo existed:

Ba Conditional
Usually Written in Kana