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Description
Solanum Viarum, commonly known as tropical soda apple, is a small shrub that belongs to the Solanaceae family. It is native to South America but has spread to other parts of the world, including the southern United States. The plant has sharp thorns and can grow up to 5 feet tall. It produces small, white flowers that develop into round, green fruits that turn yellow when ripe. The fruit has a bitter taste and is not edible for humans.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Solanales |
| Family | Solanaceae |
| Genus | Solanum |
Appearance
The leaves of Solanum Viarum are dark green and can be up to 5 inches long. They are alternately arranged and have a wavy edge. The flowers are small, white, and have five petals. The fruit is round, green, and covered in thorns. It can grow up to 2 inches in diameter and turns yellow when ripe. The plant also has sharp thorns that can cause injury if not handled carefully.
Care Guide
Solanum Viarum grows best in full sun and well-drained soil. It can tolerate a range of soil types but prefers fertile, moist soil. Water the plant regularly, especially during dry periods, but avoid overwatering. Fertilize with a balanced fertilizer once a month during the growing season. The plant is hardy in USDA zones 8-11 and can tolerate temperatures down to 20°F.
Common Pests & Diseases
Solanum Viarum is susceptible to a range of pests and diseases, including whiteflies, spider mites, and root-knot nematodes. It can also be affected by bacterial wilt, mosaic viruses, and powdery mildew. To prevent pest and disease problems, avoid overcrowding the plant and maintain good sanitation practices. Use insecticidal soap or neem oil to control pests, and remove infected plants to prevent the spread of disease.
Habitat
Solanum Viarum is native to South America but has spread to other parts of the world, including the southern United States, where it is considered an invasive species. It grows in a range of habitats, including pastures, fields, and open woodlands. It can tolerate a range of soil types and can grow in areas with high rainfall or drought conditions.
Question and Answer
Q: Is Solanum Viarum poisonous?
A: While the fruit is not toxic, it is not edible for humans and can cause digestive upset if ingested.
Q: Can Solanum Viarum be grown in containers?
A: Yes, the plant can be grown in containers but requires regular watering and fertilization.
Q: Can Solanum Viarum be propagated from cuttings?
A: Yes, the plant can be propagated from stem cuttings taken in the spring or summer.
Q: Is Solanum Viarum easy to grow?
A: The plant is easy to grow and requires minimal care but can be invasive in some areas.
Related Plants
- Solanum americanum
- Solanum dulcamara
- Solanum elaeagnifolium
- Solanum melongena
- Solanum nigrum
References
- USDA Plants Database: Solanum viarum
- University of Florida IFAS Extension: Tropical Soda Apple: Biology, Ecology, and Management
- University of Georgia Extension: Tropical Soda Apple (Solanum viarum)
- Southern Weed Science Society: Tropical Soda Apple (Solanum viarum): An Emerging Weed in the Southeastern United States
