jack bean
Học thuậtThân thiện
Definition
- Noun:
- A tropical leguminous plant: "jack bean" refers to an annual, semi-erect, bushy plant (Canavalia ensiformis) native to tropical regions, particularly South America. It is cultivated for forage and for its edible seeds.
- The seed of this plant: "jack bean" can also refer to the large, white seed produced by this plant, which is contained in long pods.
Usage Examples
- Noun (Plant):
- The farmer planted jack bean to improve the soil and provide feed for the livestock.
- Jack bean is known for its tolerance to poor soil conditions.
- Noun (Seed):
- The dried jack beans must be cooked thoroughly before consumption.
- They harvested a large quantity of jack beans from the field.
Advanced Usage
- Scientific and Agricultural Context: The term "jack bean" is primarily used in botanical, agricultural, and nutritional contexts. It is not a common word in everyday conversation.
- Research on the jack bean's drought resistance is ongoing.
Variants and Related Words
- Canavalia ensiformis: The scientific (Latin) name for the jack bean plant.
- Sword bean: A common name for a closely related species (), sometimes confused with jack bean.
- Horse bean: Another common name occasionally used for the jack bean.
Synonyms
- Forage legume: A general term for leguminous plants grown for animal feed.
- Tropical bean: A descriptive, non-scientific term.
Related Phrases
- Jack bean urease: A specific enzyme (urease) isolated from the jack bean, frequently used in laboratory research and clinical diagnostics.
- The test kit uses jack bean urease to detect the presence of urea.
Noun
- annual semi-erect bushy plant of tropical South America bearing long pods with white seeds grown especially for forage