Definition of microsporophyll in English:
microsporophyll
noun ˌmʌɪkrə(ʊ)ˈspɒrəfɪlˌmʌɪkrə(ʊ)ˈspɔːrəfɪl
Botany A leaf or modified leaf which bears microsporangia.
Origin
Late 19th century; earliest use found in Encyclopaedia Britannica. From micro- + sporophyll.