class magnoliopsida

Học thuật
Thân thiện
class magnoliopsida

A student examines a class magnoliopsida leaf under a magnifying glass.

Definition
  1. Noun:
    • A taxonomic class of flowering plants: "class Magnoliopsida" refers to a major group of seed-producing plants characterized by embryos with two seed leaves (cotyledons) and leaves typically having a net-like vein pattern. This class encompasses a vast diversity of dicotyledonous plants.
Usage
  • The term "class Magnoliopsida" is used in formal botanical and scientific contexts to classify a large group of dicot plants.
  • It is often used in contrast to "class Liliopsida" (the monocots).
Examples
  • Noun:
    • The class Magnoliopsida includes many familiar plants like roses, oaks, and sunflowers.
    • Botanists study the evolutionary relationships within the class Magnoliopsida.
Advanced Usage
  • In taxonomic hierarchy: "class Magnoliopsida" sits below the division "Magnoliophyta" (angiosperms) and above various subclasses.
    • The subclass Rosidae is one of the groups within the class Magnoliopsida.
Variants and Related Words
  • Dicotyledons (dicots): A common, non-taxonomic term for plants belonging to the class Magnoliopsida.
    • Dicotyledons, or dicots, are now often referred to by the class name Magnoliopsida.
  • Magnoliopsida: Often used without "class" in botanical literature.
    • The diversity of Magnoliopsida is immense.
Synonyms
  • Dicotyledoneae: An older, synonymous class name for this group of plants.
class magnoliopsida

A student examines a class magnoliopsida leaf under a magnifying glass.

Noun
  1. comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae