Useful english dictionary. 2012.
class Gymnospermae — 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… … Useful english dictionary
Pteridospermopsida — noun extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies • Syn: ↑class Pteridospermopsida • Hypernyms: ↑class • Member Holonyms: ↑Gymnospermae, ↑class Gymnospermae, ↑Gymnospermophyta, ↑ … Useful english dictionary
Gymnospermae — 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… … Useful english dictionary
division Gymnospermophyta — 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… … Useful english dictionary
Gymnospermophyta — 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… … Useful english dictionary
Cycadofilicales — noun fossil gymnospermous trees or climbing plants from the Devonian: seed ferns • Syn: ↑order Cycadofilicales, ↑Lyginopteridales, ↑order Lyginopteridales • Hypernyms: ↑plant order • Member Holonyms: ↑Pteridospermopsida … Useful english dictionary
Lyginopteridales — noun fossil gymnospermous trees or climbing plants from the Devonian: seed ferns • Syn: ↑Cycadofilicales, ↑order Cycadofilicales, ↑order Lyginopteridales • Hypernyms: ↑plant order • Member Holonyms: ↑Pteridospermopsida … Useful english dictionary
order Cycadofilicales — noun fossil gymnospermous trees or climbing plants from the Devonian: seed ferns • Syn: ↑Cycadofilicales, ↑Lyginopteridales, ↑order Lyginopteridales • Hypernyms: ↑plant order • Member Holonyms: ↑Pteridospermopsida, ↑ … Useful english dictionary
order Lyginopteridales — noun fossil gymnospermous trees or climbing plants from the Devonian: seed ferns • Syn: ↑Cycadofilicales, ↑order Cycadofilicales, ↑Lyginopteridales • Hypernyms: ↑plant order • Member Holonyms: ↑Pteridospermopsida, ↑ … Useful english dictionary
Medullosales — Temporal range: Carboniferous–Permian … Wikipedia
