むらさきべんけいそうじゃなかったです
紫弁慶草じゃなかったです
murasakibenkeisōjanakattadesu

Noun
Desu Copula

The polite, past negative form of むらさきべんけいそう

1. It wasn't Purple Benkei grass.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana