Hibiscus plants belong to the class Magnoliopsida, which is also known as the dicotyledonous class.

Here's a breakdown of the classification:

* Kingdom: Plantae (Plants)

* Division: Magnoliophyta (Flowering plants)

* Class: Magnoliopsida (Dicotyledons)

* Order: Malvales

* Family: Malvaceae

* Genus: Hibiscus

Let me know if you'd like to learn more about any of these classifications!