Originally Posted by nazrin992

I wonder who Anthurium is talking about.

Hibiscus's introduction :

Wooo! Hope everyone's doing great! I'm Hibiscus! None of the other Flower Nights can match my energy! In flower language, I'm Gorgeous and Eternally Fresh Beauty! Alpinia is my idol, I wanna be a Flower Knight just like her. Heheh, hope we have lots of fun!

In the manga, they are training together if I remember correctly.
Also their spear looks similar.