せいたかよもぎじゃないです
背高蓬じゃないです
seitaka yomogijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of せいたかよもぎ

1. Not tall and slender.; Not a sunflower.

Negative
Polite
Casual Register
Usually Written in Kana