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Imperforate St. John's Wort

Hypericum maculatum

Please keep in mind that it is illegal to uproot a plant without the landowner's consent and care should be taken at all times not to damage wild plants. Wild plants should never be picked for pleasure and some plants are protected by law.
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Contents

Plant Profile

Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC
Order:
Malpighiales
Family:
Hypericaceae (St. John's Wort)
Type:
Flower
Life Cycle:
Perennial
Maximum Size:
60 centimetres tall
Habitats:
Gardens, grassland, wasteland.

Flower:
֍
Yellow, 5 petals
 
Yellow flowers, up to 2.5cm in size. Many yellow stamens.
Fruit:
The fruit is an ovoid capsule.
Leaves:
A hairless, erect perennial plant with opposite, stalked, oval leaves. The net-veined leaves usually have black dots along their margins. The stems are square in cross-section.
Other Names:
Spotted St John's Wort.
Frequency (UK):
Occasionally seen  

Other Information

Summary

Hypericum maculatum, also known as Spotted St. John's wort, is a perennial herb that is native to North America. It has small, yellow flowers that bloom in the summer and is known for its unique red-purple spots on its leaves and stems. The plant is often used in garden and landscape design, and is valued for its attractive foliage and showy flowers. It is also known for its medicinal properties and has been used traditionally to treat a variety of ailments.

Blog

Imperforate St. John's Wort, also known as Hypericum maculatum, is a beautiful and useful plant that has a long history of medicinal use. This perennial plant is native to Europe and Asia, but it has been introduced to many parts of the world, including North America.

The plant is commonly referred to as "St. John's Wort" because it blooms around the time of St. John's Day, which is celebrated on June 24th. The plant has a long and interesting history of use, dating back to the ancient Greeks, who believed that it had magical powers to ward off evil spirits. In modern times, it has been used as a natural remedy for a variety of ailments, including depression, anxiety, and nerve pain.

One of the most unique features of Imperforate St. John's Wort is its flowers. They are small, yellow, and star-shaped, with five petals that are covered in tiny black dots. The flowers bloom in mid-summer and can last for several weeks. The plant itself can grow up to three feet tall and has an upright habit with branching stems.

While Imperforate St. John's Wort is a beautiful and useful plant, it is important to note that it can also be toxic if ingested in large quantities. The plant contains a compound called hypericin, which can cause photosensitivity in some people and can be toxic to livestock if consumed in large amounts.

Despite these potential risks, Imperforate St. John's Wort is still widely used as a natural remedy for a variety of ailments. In particular, it has been found to be effective in treating mild to moderate depression, with some studies suggesting that it may be as effective as prescription antidepressants.

If you are interested in growing Imperforate St. John's Wort, it is relatively easy to cultivate. The plant prefers full sun to partial shade and well-drained soil. It is also relatively drought-tolerant once established, making it a good choice for gardens in dry climates.

Imperforate St. John's Wort is a beautiful and useful plant with a long history of medicinal use. While it should be used with caution, particularly when it comes to ingestion, it is a valuable addition to any garden or natural medicine cabinet.

In addition to its traditional uses, Imperforate St. John's Wort has also been the subject of a great deal of scientific research in recent years. Some of the key findings include:

  1. Antidepressant effects: As mentioned earlier, Imperforate St. John's Wort has been found to be effective in treating mild to moderate depression. A 2015 meta-analysis of 35 clinical trials found that the plant was more effective than placebo in treating depression, and was as effective as prescription antidepressants in some cases.

  2. Anti-inflammatory properties: Studies have shown that the plant has anti-inflammatory effects, which may be beneficial for conditions such as arthritis and other inflammatory disorders.

  3. Antiviral activity: Imperforate St. John's Wort has been found to have antiviral activity against a variety of viruses, including HIV, herpes simplex virus, and influenza virus.

  4. Wound healing: The plant has been traditionally used to help heal wounds, and some studies have confirmed its effectiveness in this regard. It may be particularly helpful for treating burns, as it has been shown to reduce pain and inflammation.

  5. Neuroprotective effects: Research has shown that the plant has neuroprotective effects, which may be beneficial for conditions such as Alzheimer's disease and other neurological disorders.

While Imperforate St. John's Wort has many potential benefits, it is important to use it with caution and under the guidance of a qualified healthcare professional. As with any natural remedy, there is a risk of adverse effects, particularly when used in combination with other medications or supplements.

In conclusion, Imperforate St. John's Wort is a fascinating and useful plant with a long history of medicinal use. While it should be used with caution and under the guidance of a healthcare professional, it has many potential benefits and is a valuable addition to any natural medicine cabinet.

More Information

In addition to its medicinal uses, Imperforate St. John's Wort is also a popular ornamental plant. Its bright yellow flowers make it an attractive addition to gardens, and it is commonly used in borders, rock gardens, and wildflower meadows. The plant is also attractive to bees and other pollinators, making it a valuable addition to any wildlife garden.

Imperforate St. John's Wort is relatively easy to grow, and is generally quite low-maintenance. It prefers well-drained soil and full sun to partial shade, but can tolerate a wide range of conditions. The plant can be propagated from seeds or cuttings, and can be divided every few years to prevent it from becoming too crowded.

If you are interested in using Imperforate St. John's Wort as a natural remedy, it is important to use a high-quality, standardized extract. Standardization ensures that the extract contains a consistent amount of the active ingredients, which can vary depending on factors such as the time of year, growing conditions, and processing methods.

It is also important to be aware of the potential side effects and interactions of Imperforate St. John's Wort. The plant can cause photosensitivity in some people, and can interact with a variety of medications, including antidepressants, birth control pills, and blood thinners. As with any natural remedy, it is important to consult with a healthcare professional before using Imperforate St. John's Wort.

In conclusion, Imperforate St. John's Wort is a versatile and useful plant with a long history of medicinal use. Whether you are interested in growing it for its ornamental value or using it as a natural remedy, it is a valuable addition to any garden or natural medicine cabinet. With proper care and use, Imperforate St. John's Wort can provide a wide range of benefits and enhance your overall well-being.


Distribution Map

Reproduced by kind permission of the BSBI.

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