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Description
Arnica Mollis, also known as hairy arnica, mountain tobacco, and heartleaf arnica, is a perennial herbaceous plant that belongs to the Asteraceae family. It is native to the mountainous regions of Europe, including the Alps, Pyrenees, and Carpathians. The plant can grow up to 60 cm in height and has a yellow flower head that blooms in the summer months. Arnica Mollis has been used for medicinal purposes for centuries, as it contains compounds that can reduce inflammation and pain.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Arnica |
Appearance
Arnica Mollis has a basal rosette of leaves that are green and hairy. The leaves are heart-shaped and can grow up to 25 cm in length. The plant produces a single yellow flower head that can reach a diameter of up to 8 cm. The petals are strap-shaped and surround a central disc that contains the plant’s reproductive structures. The flower head is held on a long stem that can be up to 60 cm in height.
Care Guide
Arnica Mollis prefers well-drained soil that is slightly acidic. It grows best in full sun to partial shade and requires regular watering to keep the soil moist but not waterlogged. The plant does not require fertilization, but a light application of a balanced fertilizer in the spring can help promote growth. Arnica Mollis is hardy in USDA zones 3-7 and can tolerate temperatures as low as -40°C.
Common Pests & Diseases
Arnica Mollis is susceptible to powdery mildew, a fungal disease that can cause white powdery patches on the leaves. The plant may also be attacked by aphids, which can cause the leaves to curl and distort. To prevent these pests and diseases, it is important to maintain good hygiene practices and to avoid overwatering the plant.
Habitat
Arnica Mollis is typically found in mountainous regions, growing in meadows, rocky slopes, and other areas with well-drained soil. It prefers cool temperatures and can tolerate occasional frost. The plant is commonly found in Europe, but also grows in parts of North America and Asia.
Question and Answer
Q: Can Arnica Mollis be grown indoors?
A: Arnica Mollis is a plant that prefers to grow outdoors in cool, mountainous regions. It is not well-suited for indoor growing conditions.
Q: Is Arnica Mollis toxic to pets?
A: Arnica Mollis contains compounds that can be toxic to pets if ingested in large quantities. It is important to keep the plant out of reach of pets and to seek veterinary care immediately if you suspect your pet has ingested the plant.
Q: How often should I water Arnica Mollis?
A: Arnica Mollis prefers moist but well-drained soil. Water the plant regularly, but be careful not to overwater it, as this can lead to root rot.
Q: Can Arnica Mollis be used for medicinal purposes?
A: Arnica Mollis has been used for centuries for its anti-inflammatory and pain-relieving properties. However, it should only be used under the guidance of a qualified healthcare professional, as it can be toxic if ingested in large quantities.
Related Plants
- Arnica Chamissonis
- Arnica Cordifolia
- Arnica Montana
- Arnica Parryi
References
- Arnica mollis. (n.d.). Retrieved from https://www.rhs.org.uk/Plants/12685/Arnica-mollis/Details
- Arnica mollis. (n.d.). Retrieved from https://www.plantdelights.com/products/arnica-mollis
- Arnica mollis. (n.d.). Retrieved from https://www.gardenia.net/plant/arnica-mollis-hairy-arnica
