GYMNOSPERMOPHYTA
\d͡ʒˈɪmnəspəməfˌɪtə], \dʒˈɪmnəspəməfˌɪtə], \dʒ_ˈɪ_m_n_ə_s_p_ə_m_ə_f_ˌɪ_t_ə]\
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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)
By Princeton University
