1. (noun) 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)

• class gymnospermae
• division gymnospermophyta
• gymnospermae

1. (noun) 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)

• class

1. (noun) 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)

• class coniferopsida
• coniferophyta
• coniferophytina
• coniferopsida
• subdivision coniferophytina
• class cycadopsida
• cycadophyta
• cycadophytina
• cycadopsida
• subdivision cycadophyta
• subdivision cycadophytina
• class ginkgophytina
• class ginkgopsida
• ginkgophytina
• ginkgopsida
• subdivision ginkgophyta
• subdivision ginkgophytina
• class gnetopsida
• gnetophyta
• gnetophytina
• gnetopsida
• subdivision gnetophytina
• class pteridospermopsida
• pteridospermopsida
• gymnosperm
• gymnosperm family
• gymnosperm genus
• gymnospermous tree

1. (noun) 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)

• division spermatophyta
• spermatophyta