A leguminous plant native to South America, identifiable by its edible large white seeds in a long pod, pink-purple flowers, and spread through long runners.
The plant is grown especially for forage. It is also an important source of concanavalin A and urease.
Scientific name: Canavalia plagiosperma
Other common names:
- Wonder bean
- Pearson bean
- giant stock bean
See also: lectin, concanavalin A.