gymnosperm

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gymnosperm

any member of the class Gymnospermae - the CONIFERS and their allies. Gymnosperms derive their name from the fact that the ovules are borne without a covering on the surface of the megasporophylls, which usually take the form of cones.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005