bengal bean
Học thuậtThân thiện
Definition
Noun: 1. A tropical leguminous vine: "Bengal bean" refers to a specific annual, woody vine (Mucuna pruriens var. utilis) native to Asia. It is characterized by long clusters of purplish flowers and pods covered in dense hairs. 2. An agricultural plant: It is cultivated, notably in the southern United States, for use as green manure to enrich soil and as forage for grazing animals.
Usage Examples
- The farmer planted bengal bean to improve the nitrogen content in his field.
- Bengal bean, with its hairy pods, is a valuable cover crop in sustainable agriculture.
Advanced Usage
- As a botanical subject: In botanical or agricultural texts, "Bengal bean" is used precisely to identify this species within the genus, often noting its utility compared to other varieties.
- In sustainable farming contexts: The term is commonly used when discussing crop rotation, soil fertility management, and organic farming practices due to its nitrogen-fixing properties.
Variants and Related Words
- Velvet bean: This is a common synonym for the same plant species (), though it can sometimes refer more broadly to different varieties within the species.
- Cowitch: A name for a closely related variety ( var. ) known for its intensely irritating hairs, contrasting with the cultivated 'Bengal bean'.
- Mucuna: The genus name, used in scientific classification.
Synonyms
- Velvet bean
- Cowhage (typically for the wild, irritating variety)
- Lacuna bean (less common)
Notes on Meaning
The primary meaning of "Bengal bean" is agricultural and botanical. It is not a common bean for direct human consumption like a green bean or kidney bean. Its value lies in its use as a cover crop and forage. The "hairy pods" are a key distinguishing feature mentioned in its definition.
Noun
- the annual woody vine of Asia having long clusters of purplish flowers and densely hairy pods; cultivated in southern United States for green manure and grazing