(from the article `cycadophyte`) Cycads are universally dioecious. Male plants produce pollen by leaf homologues called microsporophylls, and female plants produce ovules by leaf ... In gymnosperms (plants with `naked seeds`conifers, cycads, ginkgos) the ovules are not enclosed in an ovary but lie exposed on leaflike str... Found on http://www.britannica.com/eb/a-z/m/64
A specialised leaf upon (or in the axil of) which one or more megasporangia are borne. ... (09 Oct 1997) ... Found on http://www.encyclo.co.uk/local/20973