receptacular
/ˌrɛsɛpˈtakjʊlə/adjective
1Of the nature of or serving as a receptacle.
2 Botany. Attached to or forming part of the receptacle of a flower or inflorescence, or that of a cryptogam; of or relating to a receptacle.
Origin
Late 18th century. From classical Latin receptāculum receptacle + -ar. Compare French réceptaculaire.