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Description
Hypericum Perfoliatum, commonly known as St. John’s Wort, is a perennial herbaceous plant that belongs to the Hypericaceae family. It usually grows up to a height of 1-3 feet and blooms in the summer months. This plant is native to Europe but has been introduced to North America and other parts of the world. Hypericum Perfoliatum is used as a medicinal herb and is known for its antidepressant and anti-inflammatory properties.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Malpighiales |
| Family | Hypericaceae |
| Genus | Hypericum |
Appearance
The leaves of Hypericum Perfoliatum are opposite, oval-shaped, and joined at the base, giving the appearance of a perforated leaf. The flowers are bright yellow and have five petals. They bloom in clusters at the top of the stem and have numerous stamens. The plant’s stems are woody at the base and green and flexible above. The roots are shallow and fibrous.
Care Guide
Hypericum Perfoliatum is a hardy plant that requires minimal care. Here are some tips to help you take care of your plant:
- Water: Water the plant regularly, especially during the summer months. However, avoid overwatering as it can lead to root rot.
- Fertilization: Fertilize the plant with a balanced fertilizer once every two months during the growing season.
- Soil: Hypericum Perfoliatum prefers well-drained soil that is rich in organic matter. A pH range of 5.5-7.5 is ideal.
- Sunlight: This plant prefers full sun to partial shade. It can tolerate some shade but will not bloom as well.
- Hardiness Zones: Hypericum Perfoliatum is hardy in USDA zones 3-8.
Common Pests & Diseases
Hypericum Perfoliatum is generally pest and disease-resistant but can be susceptible to the following:
- Aphids: Aphids can be controlled with insecticidal soap or neem oil.
- Leaf Spot: This fungal disease can be controlled by removing infected leaves and applying a fungicide.
- Root Rot: This disease is caused by overwatering and can be prevented by ensuring proper drainage and avoiding overwatering.
Habitat
Hypericum Perfoliatum is native to Europe but has been introduced to North America and other parts of the world. It can be found in fields, meadows, and along roadsides. It prefers well-drained soil and full sun to partial shade.
Question and Answer
Q: Is Hypericum Perfoliatum safe to consume?
A: While Hypericum Perfoliatum is used as a medicinal herb, it is important to consult with a healthcare professional before consuming it as it may have interactions with certain medications.
Q: Can Hypericum Perfoliatum be grown indoors?
A: While it is possible to grow Hypericum Perfoliatum indoors, it prefers full sun and may not bloom as well indoors.
Q: How often should Hypericum Perfoliatum be fertilized?
A: Hypericum Perfoliatum should be fertilized with a balanced fertilizer once every two months during the growing season.
Q: Does Hypericum Perfoliatum have any medicinal properties?
A: Yes, Hypericum Perfoliatum is used as a medicinal herb and is known for its antidepressant and anti-inflammatory properties.
Related Plants
- Hypericum Calycinum
- Hypericum Androsaemum
- Hypericum Hirsutum
- Hypericum Kalmianum
References
- “Hypericum Perforatum.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=d480.
- “Hypericum Perforatum.” Plants of the World Online. http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:433261-1.
- “St. John’s Wort (Hypericum Perforatum).” University of Maryland Medical Center. https://www.umm.edu/health/medical/altmed/herb/st-johns-wort.
