opuntia

Học thuật
Thân thiện
opuntia

A gardener carefully transplants a young opuntia into a sunny rock garden.

Definition

Noun: 1. A large genus of cacti native to the Americas, commonly known as prickly pears or chollas: Opuntia is a scientific genus name for a group of cacti characterized by their flat, pad-like stems (cladodes) and often bearing glochids (tiny, barbed spines) and larger spines.

Examples of Usage
  • Noun:
    • The Opuntia in the desert garden is blooming with bright yellow flowers.
    • Many species of Opuntia produce edible fruits called prickly pears or tunas.
    • Farmers sometimes plant Opuntia as a living fence or for cattle forage.
Advanced Usage
  • In botanical or horticultural contexts: The term is used precisely to classify and discuss plants within this specific genus, distinguishing them from other types of cacti.
    • The study focused on the drought resistance mechanisms of Opuntia ficus-indica.
Variants and Related Words
  • Prickly pear (n): The common name for many species, especially those with flat pads and edible fruit.
  • Cholla (n): A common name for species with cylindrical stems.
  • Nopal (n): A term, derived from Nahuatl, often used for the edible pads of certain cacti.
Synonyms
  • Prickly pear cactus: A descriptive synonym emphasizing the common name.
  • Nopal cactus: A synonym highlighting the culinary use of the plant's pads.
Notes on Meaning
  • Scientific vs. Common Usage: As a genus name, "Opuntia" is primarily used in scientific, academic, or specialized gardening contexts. In everyday conversation, people are more likely to use the common names "prickly pear" or "cholla."
  • Key Characteristics: When identifying an , look for segmented stems (pads or cylinders) and the presence of both large spines and tiny, hair-like glochids that detach easily.
opuntia

A gardener carefully transplants a young opuntia into a sunny rock garden.

Noun
  1. large genus of cactuses native to America: prickly pears