subdivision coniferophytina
Học thuậtThân thiện
A pine tree, a member of the subdivision Coniferophytina, stands tall in a forest.
Definition
Noun: 1. A taxonomic subdivision of plants: Coniferophytina is a botanical classification for a major group of cone-bearing, non-flowering seed plants (gymnosperms). This group includes many large tree species, both living and extinct, that have existed since the Carboniferous period.
Usage
- Scientific Classification: The term is used almost exclusively in formal botanical and paleobotanical contexts to categorize and discuss this specific lineage of plants.
- Fossil evidence places the origins of Subdivision Coniferophytina in the Carboniferous period.
- The study compared the wood anatomy across several classes within the Coniferophytina.
Advanced Usage
- Taxonomic Context: In modern taxonomic systems, the rank "subdivision" and the name "Coniferophytina" may be subject to revision. It serves as a historical and structural grouping for classes like Pinopsida (conifers), Ginkgopsida (ginkgo), and Taxopsida (yews), as well as extinct orders like Cordaitales.
Variants and Related Words
- Coniferophyta: Often used as a synonymous division or phylum name encompassing the same group of plants.
- Pinophytina: A subdivision name sometimes used specifically for the conifer classes, separate from Ginkgophytina and Taxophytina.
- Gymnosperm: The broader category of seed plants to which Coniferophytina belongs.
Synonyms
- Coniferophytes: A common synonym referring to the plants within this subdivision.
- Cone-bearing gymnosperms: A descriptive synonym.
Related Terms (Scientific Hierarchy)
- Division/Pinophyta: The broader phylum often containing this subdivision.
- Class Pinopsida: A primary class (pine trees, spruces, firs) within this subdivision.
- Order Coniferales: A major surviving order of woody plants within this group.
A pine tree, a member of the subdivision Coniferophytina, stands tall in a forest.
Noun
- cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision Ginkgophytina) and Taxopsida (subdivision Taxophytina) which in turn include the surviving orders Coniferales and Taxales (yews) and sometimes Ginkgoales as well as extinct orders such as Cordaitales (of the Carboniferous and Permian)