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jackbean
Scientific Name: Canavalia virosa
Family: Fabaceae
Category: Dicot
Growth:
Duration:
Other Names:
Jack Bean (Canavalia ensiformis)
The jack bean, scientifically known as Canavalia ensiformis, is also commonly referred to as (common) jack bean, horse gram, chickasaro lima bean, overlock bean, Brazilian broad bean, sword bean (in Australia), and one-eye-bean (in the West Indies). In Japan, it is known as "Tachi natamame."
Taxonomy and Nomenclature
- Scientific Name: Canavalia ensiformis
- Family: Legume (Fabaceae)
- Synonyms: Canavalia ensiformis
Considerations for Pets
- Jack bean is primarily used as animal fodder, suggesting its consumption by livestock.
Considerations for Children
- Mention of "long pods with edible seeds" warrants caution, especially with curious children who might ingest them.
Distribution and Habitat
The Jack bean is a tropical American annual plant.
Morphological Characteristics and Growth Habits
- The Jack Bean is an annual, semi-erect bushy plant.
- It bears bright pea flowers.
- It produces long pods.
Ecological Role
- Jack bean is used as green manure, plants which are grown mainly for the benefit of the soil.
Uses
- Jack bean is used for animal fodder and human nutrition, particularly in Brazil.
- It is also grown for forage.
- The young pods are processed in Japan.
Quirky Facts
- Urease, an enzyme found in the Jack bean, has been studied for over 83 years since its first crystal form was identified.
Related Species
Other species in the Canavalia genus include sword bean (C. gladiata) and C. cathartica.
Further Information
- Dave's Garden offers a community forum with tips and ideas for gardens, along with seeds and plants.
- ARKive provides photos and facts about the Jack bean.
- Encyclopedia of Life contains articles and information about Canavalia ensiformis.