cycadales
Definition
- Noun:
- A taxonomic order of primitive gymnospermous plants: The Cycadales are an order of seed-producing plants that are considered living fossils, having been abundant during the Mesozoic era but now surviving only in scattered tropical and subtropical regions.
Usage Examples
- Noun:
- The Cycadales are often studied by botanists interested in plant evolution.
- Fossil records show that the Cycadales were once a dominant group of plants.
Advanced Usage
- In botanical classification: The term is used in scientific contexts to categorize a specific order within the division Cycadophyta.
- The classification places the genus Cycas within the order Cycadales.
Variants and Related Words
- Cycad (n): A common name for any plant belonging to the order Cycadales.
- The sago palm is a well-known type of cycad.
- Cycadophyta (n): The division or phylum to which the order Cycadales belongs.
- Cycadophyta includes several extinct orders alongside the Cycadales.
Synonyms
- Cycad order: A less formal synonym for Cycadales.
- Sago palms (common name, for some members): Refers to certain species within the order, like .
Related Terms (Scientific Context)
- Gymnosperm (n): A major group of seed-producing plants that includes conifers and cycads, characterized by seeds not enclosed in an ovary.
- Cycadales are one of the orders of gymnosperms.
- Mesozoic (adj/n): Relating to the geologic era when Cycadales were most abundant.
- Cycadales thrived in the Mesozoic era.
Noun
-
primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms
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