Cycadales

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Definition
  1. 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
  1. primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms

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