What is another word for floral envelope?
Pronunciation: [flˈɔːɹə͡l ˈɛnvəlˌə͡ʊp] (IPA) 
The term floral envelope is used to describe the outermost layer of a flower bud that protects the reproductive organs within. There are several synonyms that can be used to refer to this structure. One alternative term is the perianth, which comprises both the calyx and corolla of a flower. The calyx refers to the outermost layer of the flower, while the corolla is the layer inside the calyx that contains the petals. Additionally, the term tepal can be used to describe structures in which the petals and sepals are difficult to distinguish from one another. Other synonyms used to refer to the floral envelope include floral whorl, floral covering, and floral exterior.
