ginkgoaceae
Học thuậtThân thiện
A ginkgoaceae tree displays its unique fan-shaped leaves in a botanical garden.
Definition
Noun: - A family of gymnosperm plants constituting the order Ginkgoales. This family includes the sole extant genus Ginkgo (notably the ginkgo tree, Ginkgo biloba) along with numerous extinct genera known only from the fossil record.
Usage
- This term is used in scientific contexts, specifically in botany, paleobotany, and taxonomy, to classify a distinct group of seed-producing plants.
- It refers to the taxonomic family that contains both living and extinct members of the Ginkgoales order.
Examples
- Scientific Classification:
- The family Ginkgoaceae is of great interest to paleobotanists due to its long evolutionary history.
- Ginkgo biloba is the only living species within the Ginkgoaceae.
- Descriptive Usage:
- Fossils show that the Ginkgoaceae were once far more diverse and widespread than they are today.
Advanced Usage
- The term is often used in discussions about "living fossils," as the ginkgo tree is the last surviving member of this ancient lineage.
- In phylogenetic studies, Ginkgoaceae is positioned as a sister group to the conifers (Pinophyta) and cycads (Cycadophyta).
Variants and Related Words
- Ginkgoales (noun): The botanical order to which the family Ginkgoaceae belongs.
- Ginkgo (noun): The sole extant genus within the family Ginkgoaceae.
- Ginkgophyte (noun): A member of the division Ginkgophyta, which includes the order Ginkgoales and its families.
Synonyms
- Maidenhair tree family: A common name for the family, derived from the common name for .
Notes
- There are no idioms or phrasal verbs associated with this highly specialized scientific term.
- The family is monotypic at the genus level for extant species, meaning it contains only one living genus ().
A ginkgoaceae tree displays its unique fan-shaped leaves in a botanical garden.
Noun
- constituting the order Ginkgoales; includes the genus Ginkgo and extinct forms