| 释义 |
Ginkgopsida
Thesaurus| Noun | 1.Ginkgopsida - ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophytaclass Ginkgophytina, class Ginkgopsida, Ginkgophytina, subdivision Ginkgophyta, subdivision Ginkgophytinaclass - (biology) a taxonomic group containing one or more ordersclass 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)Ginkgoales, order Ginkgoales - coextensive with the family Ginkgoaceae: plants that first appeared in the Permian and now represented by a single surviving species; often included in Coniferales |
Ginkgopsida
Synonyms for Ginkgopsidanoun ginkgos: in some systems classified as a class and in others as a subdivisionSynonyms- class Ginkgophytina
- class Ginkgopsida
- Ginkgophytina
- subdivision Ginkgophyta
- subdivision Ginkgophytina
Related Words- class
- class Gymnospermae
- division Gymnospermophyta
- Gymnospermae
- Gymnospermophyta
- Ginkgoales
- order Ginkgoales
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