Psophocarpus tetragonolobus
Psophocarpus tetragonolobus · Accepted scientific name
Scientific literature: Very Sparse (5 studies) · ★☆☆☆☆
Psophocarpus tetragonolobus, commonly known as winged bean, is a versatile plant species that offers significant pharmacological potential through its roots and seeds. Research indicates that seed preparations contain bioactive oils capable of exhibiting powerful antibacterial and antinociceptive activities. Furthermore, the plant demonstrates promising cytotoxic properties, particularly in addressing conditions such as colon cancer. Its chemical profile also suggests it may serve as a 5-alpha-reductase inhibitor, providing therapeutic benefits for various physiological concerns. Ultimately, its antioxidant effects make it a subject of interest for managing complex health issues like hyperglycemia and hypertension.
- Synonyms
- Botor Tetragonoloba · Psophocarpus Tetragonolobus Var. Macrocarpus · 3 more
- Common names
- Not available
- Family
- Fabaceae
- Distribution
- Not available
- Plant Parts
- Root · Seed
Classification
Common Names
Psophocarpus tetragonolobus is a versatile legume known by several different names across various regions and languages. It is most frequently referred to by its common English name, the Four-angled Bean. In many parts of the world, it is also widely recognized as the Goa Bean or the hyphenated Goa-bean. Depending on the local dialect, you might encounter the German variation known as Goabohne. Finally, in French-speaking areas, this nutritious plant is commonly called the Haricot ailé.
Sources: Catalogue of Life (COL)
Synonyms
Psophocarpus tetragonolobus is a botanically diverse species that is recognized by several different scientific names in historical records. It has been formally identified through various synonyms, including the classifications Botor tetragonoloba and Dolichos tetragonolobus. Furthermore, the plant encompasses several distinct varieties that expand its taxonomic complexity. These include the specific variations known as Psophocarpus tetragonolobus var. aequalis and var. macrocarpus. Finally, the lineage is rounded out by the inclusion of Psophocarpus tetragonolobus var. micropterus within its botanical relationships.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Psophocarpus tetragonolobus is a unique botanical specimen that belongs to the expansive kingdom Plantae. Within this kingdom, it is specifically classified under the class Equisetopsida. As a member of the order Fabales, it shares structural similarities with various other legumes. This plant is further nested within the diverse family Fabaceae, which is known for its nutrient-rich properties. Ultimately, it is identified by its distinct scientific genus, Psophocarpus.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Psophocarpus |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Psophocarpus tetragonolobus exhibits a diverse distribution pattern across the African continent. In East Tropical Africa, the species is notably established within the regions of Tanzania. Its presence extends northward to Egypt, marking a significant foothold in Northern Africa. Moving toward the western side of the continent, the plant thrives in West Tropical Africa, specifically within Ghana and Ivory Coast. Finally, its reach continues into South Tropical Africa, where it can be found growing in Zambia.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Psophocarpus tetragonolobus is characterized as a herbaceous plant that exhibits an obligatory climbing habit. This growth strategy allows it to ascend structures to reach its maximum potential height of 2.5 meters. Consequently, its physical development is deeply dependent on having external support to thrive.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Psophocarpus tetragonolobus, commonly known as the winged bean, is a nutrient-dense perennial legume from the Fabaceae family. Beyond its impressive nutritional profile, this plant contains various bioactive compounds that offer significant therapeutic potential. Research indicates that the species possesses notable antibacterial and antifungal activities, making it useful against diverse pathogens. Additionally, it has demonstrated antinociceptive properties and exhibits both antiproliferative and cytotoxic effects. These diverse pharmacological characteristics highlight the plant's promising role in the future of natural medicine.
Compounds
Conditions
Psophocarpus tetragonolobus exhibits specific biological interactions, such as its ability to agglutinate only human and pronase-treated rat erythrocytes. The plant also demonstrates significant enzymatic potential by treating alpha-glucosidase through high inhibitory potential in certain extracts. Furthermore, it possesses diverse therapeutic bioactive compounds that provide anti-inflammatory and anti-oxidant activities. Additionally, the species is noted for its antibacterial properties. These varied pharmacological traits highlight the multifaceted medicinal potential of the winged bean.
Preparations
Psophocarpus tetragonolobus is prepared as seeds to serve as a potential source of low-cost protein. These seeds demonstrate a high protein content of approximately 41.9%, which is comparable to the levels found in soybean. In addition to protein, the seeds contain a significant amount of oil at 19.8%. The nutritional profile of these seeds also includes a well-balanced essential amino acid composition. Consequently, the seeds of this species represent a promising legume for dietary use.
Parts used
Psophocarpus tetragonolobus, commonly known as the winged bean, is a versatile perennial legume belonging to the Fabaceae family. This plant is biologically characterized by its distinctive tuberous roots, which contribute to its unique structural profile. In addition to its root system, the species produces valuable seeds that serve as significant sources of nutrients and bioactive compounds. Research has specifically highlighted the seeds for containing psophocarpin B1, a protein with notable chymotrypsin inhibitory activity. Ultimately, both the roots and seeds of Psophocarpus tetragonolobus offer immense potential for nutritional and pharmacological applications.