Students write a noun in the center of the flower and use the petals to write adjectives that describe it.
Instead of using this as a poster, I would turn it into an activity writing the headings on the board and having the children come up with words for each type of describing word or adjective.
Feast Your Eyes on This Beautiful Linguistic Family Tree | Mental Floss
These simply made word rolls will help children learn to read and develop a better understanding of how words are put together.
Greek and Latin Roots~ Fun way to bring in spring, adding "leaves" with new words learned during each lesson.
vocabulary notebooking page from notebookingfairy.com
Waldorf ~ 4th grade ~ Grammar ~ Parts od Speech ~ chalkboard drawing
Tutti a bordo - dislessia: Grammatica semplificata - Il grillo parlante - SEI
La grammatica per immagini | Imparare in piedi