polypodiaceous
/ˌpɒlɪpəʊdɪˈeɪʃəs/Botany
adjective
Belonging to or characteristic of the family Polypodiaceae of ferns, of which Polypodium is the type genus, and which typically have a long creeping rhizome and round or oval sori lacking indusia.
Origin
Early 19th century; earliest use found in Helen Maria Williams (1761–1827), writer. From scientific Latin Polypodiaceae, family name + -ous.