Contents
Description
Acokanthera is a genus of flowering shrubs and small trees that belong to the Apocynaceae family. Native to sub-Saharan Africa, these plants are known for their beautiful, fragrant flowers and poisonous fruit. The most well-known species in this genus is Acokanthera oblongifolia, also known as the bushman’s poison, which has been used traditionally as a poison for hunting and warfare.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Gentianales |
| Family | Apocynaceae |
| Genus | Acokanthera |
Appearance
Acokanthera plants are evergreen and can grow up to 10 meters in height. They have a bushy, dense growth habit with shiny, leathery leaves that are dark green in color. The plants produce clusters of fragrant, trumpet-shaped flowers that can be white, pink, or purple in color, depending on the species. The fruit of Acokanthera plants is a small, round berry that is bright red when mature. The fruit is highly poisonous and should not be consumed.
Care Guide
Acokanthera plants are relatively easy to care for and can thrive in a variety of conditions. Here are some important care tips to keep in mind:
Water: Acokanthera plants prefer moist soil but can tolerate periods of drought. Water regularly during the growing season, and reduce watering in the winter.
Fertilization: Fertilize Acokanthera plants once a month during the growing season with a balanced, slow-release fertilizer.
Soil: Acokanthera plants prefer well-draining, slightly acidic soil. Use a potting mix that contains peat moss, perlite, and vermiculite.
Sunlight: Acokanthera plants prefer full sun to partial shade. They can tolerate some shade, but too much shade can reduce flower production.
Hardiness Zones: Acokanthera plants are hardy in USDA zones 9-11. In colder climates, they can be grown as houseplants.
Common Pests & Diseases
Acokanthera plants are relatively pest and disease-resistant, but they can be affected by mealybugs, scale insects, and spider mites. To prevent these pests, keep the plants clean and free of debris, and use a horticultural oil spray as needed. Diseases that can affect Acokanthera plants include root rot, leaf spot, and powdery mildew. To prevent these diseases, avoid overwatering and ensure good air circulation around the plants.
Habitat
Acokanthera plants are native to sub-Saharan Africa and can be found in a variety of habitats, including savannas, woodlands, and rocky hillsides. They prefer well-draining soil and can tolerate periods of drought.
Question and Answer
Q: Can Acokanthera plants be grown indoors?
A: Yes, Acokanthera plants can be grown indoors as long as they receive adequate sunlight and are kept in well-draining soil.
Q: Are Acokanthera plants toxic?
A: Yes, the fruit of Acokanthera plants is highly toxic and should not be consumed.
Q: How often should Acokanthera plants be fertilized?
A: Acokanthera plants should be fertilized once a month during the growing season with a balanced, slow-release fertilizer.
Q: What is the hardiness zone for Acokanthera plants?
A: Acokanthera plants are hardy in USDA zones 9-11.
Related Plants
- Nerium oleander
- Thevetia peruviana
- Tabernaemontana
References
- “Acokanthera.” The Plant List. Royal Botanic Gardens, Kew and Missouri Botanical Garden. Web.
- “Acokanthera oblongifolia.” Floridata. Web.
- “Acokanthera Species.” African Plants Database. African Plant Database. Web.
