Pronunciation: [wˈʊlf bˈiːn] (IPA) 
The correct spelling of the legume known as "wolf bean" is actually spelled "w o l f b e r r y". The difference in spelling can be attributed to the fact that the pronunciation of this fruit in Chinese (where it originates) is closer to "wolberry" than "wolfberry". The IPA phonetic transcription for "wolfberry" is /wʊlfˌbɛri/, which highlights the short u sound in "wolf" and the stress on the second syllable of "berry".
Wolf bean is a noun that refers to any of several plants from the genus Canavalia, native to tropic and subtropic regions. These plants are typically characterized by their climbing vine-like nature and beans that are toxic to both humans and animals. The term "wolf bean" is often used interchangeably with other common names such as sword bean, horse bean, or jack bean, depending on the specific species within the genus Canavalia.
The name "wolf bean" itself likely stems from the observation that these beans are generally not consumed by livestock or wildlife due to their toxicity. The beans contain a high concentration of canavanine, an amino acid that interferes with protein synthesis and can be extremely harmful when ingested. Some traditional cultures have utilized wolf beans as a source of food, but only after a laborious process of soaking, boiling, and fermenting to remove the toxic properties.
Aside from their toxicity, wolf beans also have various practical uses. Their seeds can be ground to produce a flour that is used in traditional cuisine. Additionally, the vines of certain Canavalia species have been utilized in erosion control, as they have an extensive root system that helps stabilize soil in areas vulnerable to erosion.
In summary, "wolf bean" is a term used to describe certain climbing plants from the Canavalia genus, known for their toxic beans that are generally unsuitable for human and animal consumption. These plants have practical uses ranging from traditional food sources to erosion control measures.
