Ginkgoales: An Overview
Ginkgoales is a gymnospermic order having one living genus (Ginkgo biloba). The members of this order once had an almost worldwide distribution in the Jurassic period. The fossil members of…
Ginkgoales
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Evolution of Female Gametophyte in Gymnosperms
The female gametophyte of gymnosperms is a multicellular structure serving the functions of bearing the archegonia and nourishing the developing embryo. It exhibits a progressive series of significant changes leading…