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Description
Jacobaea Aquatica, commonly known as Water Ragwort, is a perennial herbaceous plant that belongs to the family Asteraceae. It is native to Europe and Asia, but has been introduced to other parts of the world. The plant can grow up to 1.5 meters tall and has a branched stem with yellow flowers that bloom from June to October. The leaves are deeply lobed and have a waxy texture. The plant contains toxic compounds that can be harmful to livestock and humans if ingested.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Jacobaea |
Appearance
The Water Ragwort has a tall, branched stem with yellow flowers that bloom in clusters. The leaves are deeply lobed and have a waxy texture. The plant can grow up to 1.5 meters tall and has a woody root system. The flowers are about 2 cm in diameter and have a yellow center with yellow petals. The leaves are dark green and have a waxy texture. The plant contains toxic compounds that can be harmful to livestock and humans if ingested.
Care Guide
The Water Ragwort plant is easy to care for and can thrive in a variety of conditions. The plant requires regular watering, especially during hot and dry weather. It prefers well-drained soil and can tolerate a range of soil types. The plant needs full sunlight to grow and bloom, and can be grown in hardiness zones 3-8. Fertilization is not necessary, but can help promote growth and flowering.
Common Pests & Diseases
The Water Ragwort plant is susceptible to a variety of pests and diseases. Common pests include aphids, spider mites, and caterpillars. Diseases that can affect the plant include powdery mildew, rust, and leaf spot. To prevent pests and diseases, it is important to keep the plant healthy and well-watered, and to remove any infected leaves or stems.
Habitat
The Water Ragwort plant is native to Europe and Asia, but has been introduced to other parts of the world. It can be found in wetlands, along riverbanks, and in other moist areas. The plant prefers full sunlight and well-drained soil, and can tolerate a range of soil types. It is commonly found in hardiness zones 3-8.
Questions and Answers
Q: Is the Water Ragwort plant poisonous?
A: Yes, the plant contains toxic compounds that can be harmful to livestock and humans if ingested.
Q: Can the Water Ragwort plant be grown in containers?
A: Yes, the plant can be grown in containers as long as they are large enough to accommodate the plant’s root system.
Q: Can the Water Ragwort plant be used for medicinal purposes?
A: No, the plant is toxic and should not be used for medicinal purposes.
Q: How often should the Water Ragwort plant be watered?
A: The plant should be watered regularly, especially during hot and dry weather.
Related Plants
- Jacobaea vulgaris (Common Ragwort)
- Jacobaea maritima (Silver Ragwort)
- Jacobaea aquifolium (Holly-leaved Ragwort)
References
- “Jacobaea aquatica”. USDA Plants Database.
- “Water Ragwort (Jacobaea aquatica)”. Royal Horticultural Society.
- “Jacobaea aquatica”. Missouri Botanical Garden.
