Ophioglossales

Học thuật
Thân thiện
Definition

Noun: 1. A taxonomic order of ferns: Ophioglossales is an order of ferns in the class Polypodiopsida. It is a small, distinct order primarily characterized by its unique, often fleshy, and unbranched fronds, which are typically divided into a sterile leafy segment and a fertile spore-bearing segment. The order is considered evolutionarily primitive among ferns.

Usage Notes
  • The term "Ophioglossales" is used in a strict scientific and botanical context. It is not used in everyday conversation.
  • It is a proper noun and is always capitalized.
  • In taxonomic classification, it names an order, which is a rank below class and above family.
Examples
  • Scientific Context:
    • The order Ophioglossales includes ferns like the adder's-tongue and grape ferns.
    • Botanists study the Ophioglossales to understand early fern evolution.
    • This fossil exhibits characteristics typical of the Ophioglossales.
Advanced Usage
  • The order Ophioglossales is sometimes considered to be coextensive with the family Ophioglossaceae, meaning the order contains only that one family. This reflects a taxonomic viewpoint where the group's distinctiveness warrants its own ordinal rank.
Variants and Related Words
  • Ophioglossaceae (noun): The sole family within the order Ophioglossales, comprising the genera like (adder's-tongue ferns) and (grape ferns).
  • Ophioglossum (noun): The type genus of the Ophioglossaceae family.
  • ophioglossoid (adjective): Resembling or pertaining to ferns of the order Ophioglossales.
Synonyms
  • No direct common-language synonyms. In technical botanical literature, it may be referred to descriptively as "the adder's-tongue fern order."
Different Meanings
  • This word has only one specific meaning in modern scientific English: the taxonomic order of ferns as defined above. It does not have general or figurative meanings.
Notes on Phrasal Verbs and Idioms
  • There are no phrasal verbs or idioms associated with the highly specialized scientific term "Ophioglossales."
Noun
  1. coextensive with the family Ophioglossaceae

Từ đồng nghĩa

Từ chứa "Ophioglossales"

Từ có nhắc đến "Ophioglossales"