Pachyrhizus erosus

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Definition

Noun: 1. A tropical vine species: Pachyrhizus erosus is the scientific name for a climbing plant native to Central America, known for its large, edible tuberous root and its pods, which contain seeds. 2. A food and industrial crop: This plant is cultivated for its crisp, juicy tuber (commonly known as jicama or yam bean) which is eaten as a vegetable, and for its seeds, which are a source of substances like rotenone and oils.

Usage Examples
  • Noun:
    • Pachyrhizus erosus is widely grown in Mexico and Southeast Asia for its tuber.
    • The farmer explained that while the root of Pachyrhizus erosus is delicious, the mature seeds are toxic if not properly processed.
    • Botanists study Pachyrhizus erosus for its potential as a sustainable crop.
Advanced Usage
  • In botanical or agricultural contexts: The term is used formally to specify the exact species, distinguishing it from related species like .
    • The study focused on the nitrogen-fixing properties of Pachyrhizus erosus.
Variants and Related Words
  • Jicama (n): The most common common name for the edible tuber of .
    • She added diced jicama to the salad for a crunchy texture.
  • Yam bean (n): Another common name for the plant or its tuber.
    • In some markets, it is labeled as yam bean.
  • Singkamas (n): The common name for the tuber in the Philippines.
  • Saa Got (n): The common name for the tuber in Thailand.
Synonyms
  • Jicama plant: A descriptive synonym referring to the plant that produces jicama.
  • Mexican turnip: A less common name for the tuber, referencing its shape and region.
Important Notes on Usage
  • Scientific Name Conventions: As a scientific binomial (genus + species), is always written in italics. The genus name () is capitalized, while the species epithet () is not.
  • Toxicity Warning: It is crucial to note that only the tuber (root) of is edible when mature. The pods are edible only when very young and must be cooked thoroughly. The mature seeds and other plant parts contain rotenone and are toxic if ingested raw. This is a key part of the word's definition in practical use.
    • Correct: The root of Pachyrhizus erosus, jicama, is safe to eat raw.
    • Incorrect: All parts of the Pachyrhizus erosus plant are edible. (This is false and dangerous).
Noun
  1. Central American twining plant with edible roots and pods; large tubers are eaten raw or cooked especially when young and young pods must be thoroughly cooked; pods and seeds also yield rotenone and oils

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