IPA: /ˈpɛtəld/
KK: /ˈpɛtld/
Describing something that has petals, typically referring to flowers.
The garden was filled with petalled blooms of various colors.
Petalled → It is formed from "petal" (from Old French *petale*, meaning a part of a flower) and "-ed" (a suffix indicating a state or condition). The word "petalled" describes something that has petals or is characterized by petals.
Think of the word 'petal' which refers to a part of a flower, and remember that 'petalled' means having petals.