たかねにがなだったら
高嶺苦菜だったら
takane niganadattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of たかねにがな

1. If it were takanashigo (a type of plant); If it were a high, inaccessible peak/place

Tara Conditional
Usually Written in Kana