Question

difference between petal and petalloid

Answer 1

Petal is a delicate part of a flower. A flower's head is made up of many petals around a central part. 

Answer 2

 Petals →They are just modification of leaves which surrounds the reproductive part of the flower .

Petalloids → Generally the color of sepal is green bu then sepal is change into bright color structure then it is called as petalloid.