division gymnospermophyta

1 definition found

division gymnospermophyta - WordNet (r) 2.1 (2005) :

  division Gymnospermophyta
      n 1: 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: Gymnospermae, class Gymnospermae
           , Gymnospermophyta, division Gymnospermophyta
           ]