Contents
Description
Sphenostylis Angustifolia, also known as the African Yam Bean, is a legume that belongs to the Fabaceae family. It is a perennial herb that can grow up to 3 meters tall and is native to tropical Africa. The plant has a tuberous root that can be eaten as a vegetable, and its seeds are also edible. It is a valuable crop due to its high protein and starch content, making it an important food source in many African countries.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Sphenostylis |
| Species | S. angustifolia |
Appearance
The Sphenostylis Angustifolia plant has a vine-like growth habit, with stems that can reach up to 3 meters long. The leaves are pinnate, with 3-5 leaflets that are lanceolate in shape. The flowers are pink or purple and are borne on racemes that can be up to 30 cm long. The fruit is a cylindrical pod that measures up to 10 cm long and contains 2-4 seeds.
Care Guide
When it comes to caring for Sphenostylis Angustifolia, it is important to note the following:
- Water: The plant requires regular watering, especially during dry periods. It is important not to overwater the plant, as this can lead to root rot.
- Fertilization: The plant benefits from regular fertilization, especially during the growing season. A balanced fertilizer with equal parts nitrogen, phosphorus, and potassium is recommended.
- Soil: Sphenostylis Angustifolia prefers well-draining soil that is rich in organic matter. A pH range of 6.0-7.5 is ideal.
- Sunlight: The plant requires full sun for optimal growth and productivity.
- Hardiness Zones: Sphenostylis Angustifolia can grow in USDA hardiness zones 9-11.
Common Pests & Diseases
Sphenostylis Angustifolia is susceptible to a variety of pests and diseases, including:
- Aphids: These small, pear-shaped insects can suck the sap from the plant, causing stunted growth and yellowing leaves.
- Spider mites: These tiny, red or brown insects can cause damage to the leaves and flowers of the plant.
- Root rot: This fungal disease can be caused by overwatering or poorly draining soil.
- Bacterial blight: This disease can cause brown or black spots on the leaves and stems of the plant, leading to wilting and death.
Habitat
Sphenostylis Angustifolia is native to tropical Africa and can be found in a variety of habitats, including forests, savannas, and grasslands. It prefers well-drained soil and full sun, but can also tolerate some shade.
Question and Answer
Q: Can the tuberous root of Sphenostylis Angustifolia be eaten?
A: Yes, the tuberous root is edible and is often used in African cuisine.
Q: What is the nutritional value of Sphenostylis Angustifolia?
A: The plant is a good source of protein, starch, and dietary fiber.
Q: How tall can Sphenostylis Angustifolia grow?
A: The plant can grow up to 3 meters tall.
Q: What is the ideal pH range for Sphenostylis Angustifolia?
A: A pH range of 6.0-7.5 is ideal.
Related Plants
- Sphenostylis Stenocarpa
- Sphenostylis Umbellata
- Sphenostylis Angustifolia var. angustifolia
References
- https://uses.plantnet-project.org/en/Sphenostylis_angustifolia_(PROSEA)
- https://www.worldagroforestry.org/treedb/AFTPDFS/Sphenostylis_angustifolia.PDF
- https://www.sciencedirect.com/science/article/pii/S2213453016300448
