"Coroniform" is defined as resembling or having the form of a crown or coronet. The adjective may be used to describe objects that are not actually crowns but possess a similar appearance.
A crown is recognized as an accessory worn by a monarch to reflect position and sovereignty. A crown is often crafted of valuable metal and set with stones. A coronet is similar but may be smaller. The term "coroniform" can be used in botany to describe characteristics of flowers like the asteraceae, also known as the daisy, which has a crown-like appearance. The term may also be used in creative writing to describe natural forms that possess the appearance of a crown.