velvet bean
Học thuậtThân thiện
Definition
Noun: 1. A tropical leguminous vine (Mucuna pruriens): A fast-growing, annual climbing plant known for its long clusters of flowers and pods covered in dense, sometimes irritating hairs. It is cultivated for soil improvement and as forage.
Usage
The term "velvet bean" is used to refer specifically to the plant species Mucuna pruriens. It is a countable noun. - It is cultivated as a velvet bean for green manure. - Farmers planted velvet beans to enrich the soil.
Examples
- The velvet bean is valued for its ability to fix nitrogen in the soil.
- After the harvest, the field was sown with velvet beans to restore fertility.
- The hairy pods of the velvet bean can cause skin irritation.
Advanced Usage
- Botanical Context: In botanical and agricultural texts, "velvet bean" is used precisely to denote the species , distinguishing it from other cover crops like cowpeas or clover.
- Historical/Cultural Context: The term may appear in historical accounts of Southern U.S. agriculture, where it was introduced for soil conservation and as a feed crop before being largely replaced by soybeans.
Variants and Related Words
- Cowitch: Another common name for the same plant (), often used interchangeably.
- Mucuna: The botanical genus name, which includes the velvet bean and related species.
- Cover crop: A general term for plants, like the velvet bean, grown primarily to improve soil health.
- Green manure: A term for crops plowed under to enrich the soil, a primary use for the velvet bean.
Synonyms
- Cowitch (n): A direct synonym.
- Bengal bean (n): A regional name for the same plant.
Notes on Different Meanings
The term "velvet bean" has a very specific meaning and is not commonly used metaphorically or in idiomatic expressions. Its use is almost exclusively confined to agricultural, botanical, and horticultural contexts.
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