Library / English Dictionary

CYCADOPSIDA

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:

Nouns denoting plants

Hypernyms ("Cycadopsida" is a kind of...):

class ((biology) a taxonomic group containing one or more orders)

Meronyms (members of "Cycadopsida"):

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 ("Cycadopsida" 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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