noun Botany.
- a leaflike organ bearing microsporangia.
noun
- a leaf on which the microspores are formed: corresponds to the stamen of a flowering plantCompare megasporophyll
- A leaflike structure that bears microsporangia, such as those of in the strobili of lycophytes or in the male cones of conifers. The stamens of flowering plants are highly modified microsporophylls.