What is a microsporophyll?

Question

Plant identification terminology.

Answer 1

The answer is: A modified leaf which bears one or more microsporangia.

References

Harris, J.G. & M.W. Harris. (2001). Plant Identification Terminology: An Illustrated Glossary (2nd. ed.).

Payson, UT: Spring Lake Publishing.

Answer 2

In heterosporous plants, sporophylls can bear either megasporangia and thus are called megasporophylls, or microsporangia and are called microsporophylls.