English > subdivision Cycadophytina: 1 sense > noun 1, plantMeaning | palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta). |
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Synonyms | Cycadopsida, class Cycadopsida, Cycadophytina, Cycadophyta, subdivision Cycadophyta |
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Member of | Gymnospermae, class Gymnospermae, Gymnospermophyta, division Gymnospermophyta | plants having naked seeds not enclosed in an ovary |
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Members | Bennettitales, order Bennettitales | fossil gymnospermous plants of the Carboniferous |
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Cycadales, order Cycadales | Primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms |
Broader | class | (biology) a taxonomic group containing one or more orders |
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Spanish | cicadófitos |
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