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Description
Polygala Tenuifolia, also known as Yuan Zhi, is a plant species belonging to the family Polygalaceae. It is an herbaceous perennial plant native to eastern Asia, particularly in China, Japan, and Korea. The plant has been used in traditional Chinese medicine for centuries due to its medicinal properties. It is believed to have a calming effect on the mind and is used to treat conditions such as anxiety, depression, and memory loss.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fabales |
| Family | Polygalaceae |
| Genus | Polygala |
Appearance
Polygala Tenuifolia has small, lance-shaped leaves that grow in pairs along the stem. The plant can grow up to 30cm tall and produces small, purple flowers in the summer. The roots of the plant are long and slender, and can be harvested for medicinal use.
Care Guide
Polygala Tenuifolia is a relatively easy plant to care for. Here are some tips:
- Water: The plant prefers well-draining soil, so water it sparingly, allowing the soil to dry out between waterings.
- Fertilization: The plant does not require frequent fertilization, but can benefit from a light application of organic fertilizer in the spring.
- Soil: The plant prefers well-draining soil that is slightly acidic. A mix of peat moss and perlite can work well.
- Sunlight: The plant prefers partial shade to full sun.
- Hardiness Zones: Polygala Tenuifolia can be grown in USDA hardiness zones 5-9.
Common Pests & Diseases
Polygala Tenuifolia is generally resistant to pests and diseases. However, it can be susceptible to root rot if the soil is too wet. To prevent this, ensure that the soil is well-draining and avoid overwatering the plant.
Habitat
Polygala Tenuifolia is native to eastern Asia, particularly in China, Japan, and Korea. It can be found growing in forests, meadows, and along riverbanks. The plant prefers moist, well-draining soil and partial shade.
Question and Answer
Q: Is Polygala Tenuifolia safe for consumption?
A: Yes, Polygala Tenuifolia has been used in traditional Chinese medicine for centuries and is generally considered safe for consumption when used properly.
Q: What are the medicinal properties of Polygala Tenuifolia?
A: Polygala Tenuifolia is believed to have a calming effect on the mind and is used to treat conditions such as anxiety, depression, and memory loss.
Q: How do I propagate Polygala Tenuifolia?
A: Polygala Tenuifolia can be propagated by dividing the roots in the spring or by taking stem cuttings in the summer.
Q: Can Polygala Tenuifolia be grown indoors?
A: Yes, Polygala Tenuifolia can be grown indoors in a well-draining potting mix and placed in a bright, sunny window.
Related Plants
- Polygala Senega
- Polygala Paucifolia
- Polygala Vulgaris
References
- “Polygala tenuifolia.” Missouri Botanical Garden. Accessed September 28, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=278605&isprofile=0&.
- “Polygala Tenuifolia.” Royal Botanic Gardens, Kew. Accessed September 28, 2021. https://www.kew.org/science/tropamerica/imagedatabase/name/polygala-tenuifolia.
- Wang, Yanwen, et al. “Polygala tenuifolia Willd.: A Review of Its Traditional Use, Phytochemistry, Pharmacology, Toxicology and Quality Control.” Journal of Ethnopharmacology, vol. 157, 2014, pp. 1-23.
