| / English Dictionary |
SUBDIVISION CYCADOPHYTA
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
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)
Synonyms:
class Cycadopsida; Cycadophyta; Cycadophytina; Cycadopsida; subdivision Cycadophyta; subdivision Cycadophytina
Classified under:
Hypernyms ("subdivision Cycadophyta" is a kind of...):
class ((biology) a taxonomic group containing one or more orders)
Meronyms (members of "subdivision Cycadophyta"):
Cycadales; order Cycadales (primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms)
Bennettitales; order Bennettitales (fossil gymnospermous plants of the Carboniferous)
Holonyms ("subdivision Cycadophyta" is a member of...):
class Gymnospermae; division Gymnospermophyta; Gymnospermae; Gymnospermophyta (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))
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