African Yam Bean
Sphenostylis stenocarpa — Fabaceae
Italiano: Fagiolo igname africano
Description
African Yam Bean (Sphenostylis stenocarpa) belongs to the Fabaceae family and is native to Africa. It thrives in Forest edge, farmland environments across regions including Africa.
Botanically, African Yam Bean is climbing African legume with edible tuberous roots and protein-rich seeds. Underutilized crop..
The edible parts include Tubers, Seeds. With an edibility rating of 7/10, it ranks as a good wild food source. Harvesting is best done during December, February, January, November and October.
Nutritionally, African Yam Bean stands out for its Vitamin K (30.0mg, 25% DV), Vitamin C (20.0mg, 22% DV) and Vitamin E (1.0mg, 7% DV). It also provides 4.0g protein and 3.0g dietary fiber per 100g serving.
In the kitchen, African Yam Bean offers a Tubers: sweet, nutty; seeds: bean-like flavor profile. Peel, boil until tender; cook seeds thoroughly. Common culinary applications include Boiled tubers, Roasted tubers, Cooked seeds. Popular preparations include Boil tubers and serve with palm oil and pepper.
For storage, refrigerate fresh parts.
Safety note: Seeds contain anti-nutrients; must be well-cooked or processed. Antinutrient content is minimal. Be aware that Verify identification before consumption. Safe lookalike species include Similar edible species. Always verify identification with at least three independent botanical sources before consumption.
Foragers should collect african yam bean during Oct, Nov, Dec, Jan and Feb. Choose young, vibrant parts for optimal flavor and nutrition. Avoid specimens near polluted areas, roadsides, or treated agricultural land.
Field identification relies on recognizing the plant in its natural habitat — typically forest edge, farmland. Flowers, leaf arrangement, and growth habit provide the most reliable identification markers. Always consult at least two independent botanical sources.
Traditional Africa communities have long valued african yam bean as a seasonal wild food. Its reliable growth and nutritional density made it a valuable resource during lean periods and food scarcity.
In contemporary cuisine, african yam bean pairs excellently with olive oil, garlic, and citrus. It complements wild herbs, foraged mushrooms, and hearty grains. Experiment with both raw preparations and slow-cooked dishes to appreciate its full range.
Edibility
Harvest Calendar
Nutrition (per 100g)
Culinary Uses
Boiled tubers, Roasted tubers, Cooked seeds
Storage
Refrigerate fresh parts
Recipes
- Boil tubers and serve with palm oil and pepper
Where It Grows
