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Description
Erythrina, commonly known as the Coral Tree, is a genus of flowering plants in the Fabaceae family. It comprises approximately 120 species of trees and shrubs that are native to tropical and subtropical regions of the world. Erythrina is known for its showy, red or orange flowers that bloom in clusters on long spikes. The flowers typically attract birds, bees, and butterflies, making it a popular choice among gardeners.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Erythrina |
Appearance
Erythrina plants can grow up to 30 meters tall and have a spread of up to 10 meters. The leaves are large, with three leaflets that are 10-20 centimeters long. The flowers are the main attraction of the Erythrina plant, with bright red or orange petals that bloom in clusters on long spikes that can be up to 60 centimeters long. The flowers bloom in the spring or summer, and the plant produces seed pods that are 10-30 centimeters long.
Care Guide
Erythrina plants require full sun and well-drained soil. They prefer a slightly acidic soil with a pH of 6.0-6.5. The plants should be watered regularly, but not overwatered, as this can lead to root rot. They also benefit from regular fertilization with a balanced fertilizer. Erythrina is hardy in USDA Zones 9-11.
Common Pests & Diseases
Erythrina plants may be susceptible to a variety of pests and diseases, including spider mites, scale insects, and powdery mildew. Spider mites and scale insects can be controlled with insecticidal soap or neem oil. Powdery mildew can be prevented by ensuring good air circulation around the plant and avoiding overhead watering.
Habitat
Erythrina plants are native to tropical and subtropical regions of the world, including South America, Africa, and Asia. They are commonly found in coastal regions, riverbanks, and savannas.
Question and Answer
Q: Can Erythrina plants be grown in containers?
A: Yes, Erythrina plants can be grown in containers, but they require a large container and regular pruning to keep them from becoming too large.
Q: How often should Erythrina plants be fertilized?
A: Erythrina plants should be fertilized every 2-3 months during the growing season with a balanced fertilizer.
Q: Are Erythrina plants drought tolerant?
A: No, Erythrina plants require regular watering and are not drought tolerant.
Q: Can Erythrina plants be propagated from cuttings?
A: Yes, Erythrina plants can be propagated from cuttings taken in the spring or early summer.
Related Plants
- Erythrina crista-galli
- Erythrina lysistemon
- Erythrina variegata
- Erythrina indica
References
- “Erythrina.” Wikipedia, Wikimedia Foundation, 29 Apr. 2021, en.wikipedia.org/wiki/Erythrina.
- “Erythrina.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=287300.
- “Erythrina (Coral Tree).” Gardening Know How, www.gardeningknowhow.com/ornamental/trees/coral-tree/erythrina-coral-tree.htm.
