(n) plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina (class Gnetopsida) and Coniferophytina (class Coniferopsida); in some classifications the Coniferophytina are divided into three groups: Pinophytina (class Pinopsida) and Ginkgophytina (class Ginkgopsida) and Taxophytina (class Taxopsida), Syn.class Gymnospermae, division Gymnospermophyta, Gymnospermophyta
a. [ Gr. gymno`spermos; gymno`s naked + spe`rma seed: cf. F. gymnosperme. ] (Bot.) (a) Having naked seeds, or seeds not inclosed in a capsule or other vessel. (b) Belonging to the class of plants consisting of gymnosperms. [ 1913 Webster ]
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