Coniferopsida
Học thuậtThân thiện
Definition
- Noun:
- A class of cone-bearing gymnosperms: "Coniferopsida" is the scientific name for a major class of plants within the gymnosperms, characterized primarily by bearing seeds in cones. This group includes many substantial, often large, trees.
- A taxonomic grouping: In botanical classification, "Coniferopsida" historically encompassed several subdivisions, including the living groups of conifers (like pines and yews) and ginkgoes, as well as extinct orders.
Examples of Usage
- Noun:
- The fossil record shows that the Coniferopsida first appeared in the Carboniferous period.
- Pines, firs, and spruces all belong to the class Coniferopsida.
Advanced Usage
- Taxonomic Context: The classification "Coniferopsida" is used in scientific literature and paleobotany. In modern phylogenetic systems, the groups it contained are often treated under different names (e.g., Pinophyta), but "Coniferopsida" remains a valid and recognized term in many contexts.
- The study compared the wood anatomy of extinct Cordaitales with other members of the Coniferopsida.
Variants and Related Words
- Conifer (n): A common name for many plants within the Coniferopsida, typically evergreen trees with needle-like or scale-like leaves.
- The forest was dominated by conifers like pine and spruce.
- Coniferous (adj): Describing plants that are conifers or related to them.
- The northern landscape is mostly coniferous forest.
Synonyms
- Coniferophytes: A less common synonym referring to the same group of cone-bearing plants.
- Pinophyta: A modern division name that often corresponds closely to the traditional scope of Coniferopsida.
Related Terms (Scientific Classification)
- Gymnosperm (n): The larger group of seed plants that have "naked seeds" not enclosed in an ovary, which includes the Coniferopsida.
- Pinophytina (n): A subdivision within Coniferopsida containing the true conifers (pines, firs, cedars, etc.).
- Ginkgophytina (n): A subdivision within Coniferopsida containing the ginkgo tree.
- Taxophytina (n): A subdivision within Coniferopsida containing the yew family.
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)