| gymnosperm | (n) plants of the class Gymnospermae having seeds not enclosed in an ovary |
| gymnospermae | (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 |
| gymnosperm family | (n) a family of gymnosperms |
| gymnosperm genus | (n) a genus of gymnosperms |
| gymnospermous | (adj) relating to or characteristic of plants of the class Gymnospermae |
| gymnospermous tree | (n) any tree of the division Gymnospermophyta |
| gymnospermous yellowwood | (n) any of various gymnospermous trees having yellow wood |