はくさんしゃくなげだったら
白山石楠花だったら
hakusanshakunagedattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of はくさんしゃくなげ

1. If/when it were Shirayama Shitanbana…; If/when Shirayama Shitanbana…

Tara Conditional
Usually Written in Kana