おうむらさきららんはなであれば
大紫羅欄花であれば
ō murasaki raran hanadeareba

Noun
Da Copula

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

1. If it is a large purple wisteria flower; If large purple wisteria flowers exist

Ba Conditional
Usually Written in Kana