おうむらさきららんはなだったら
大紫羅欄花だったら
ō murasaki raran hanadattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of おおあらせいとう

1. If/when it were the large purple wisteria flowers; If/when those large purple wisteria flowers were…

Tara Conditional
Usually Written in Kana