Hyper Dictionary

English Dictionary Computer Dictionary Thesaurus Dream Dictionary Medical Dictionary


Search Dictionary:  

Meaning of GYMNOSPERMAE

WordNet Dictionary
 
 Definition: [n]  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)
 
 Sponsored Links: 
 
 Synonyms: class Gymnospermae, division Gymnospermophyta, Gymnospermophyta
 
 See Also: class, class Coniferopsida, class Cycadopsida, class Ginkgopsida, class Gnetopsida, class Pteridospermopsida, Coniferophyta, Coniferophytina, Coniferopsida, Cycadophyta, Cycadophytina, Cycadopsida, division Spermatophyta, Ginkgophyta, Ginkgophytina, Ginkgopsida, Gnetophyta, Gnetophytina, Gnetopsida, gymnosperm, gymnosperm family, gymnosperm genus, gymnospermous tree, Pteridospermopsida, Spermatophyta, subdivision Coniferophytina, subdivision Cycadophyta, subdivision Cycadophytina, subdivision Ginkgophytina, subdivision Gnetophytina

 

 

Biology Dictionary
 
 Definition: An important division of the plant kingdom, being woody plants with alternation of generations, having the gametophyte retained on the sporophyte and seeds produced on the surface of the sporophylls and not enclosed in an ovary.
 

 

COPYRIGHT © 2000-2005 HYPERDICTIONARY.COM HOME | ABOUT HYPERDICTIONARY