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Description
Oxypolis Rigidior, commonly known as the Cowbane or Stiff Cowbane, is a perennial plant native to North America. It belongs to the Apiaceae family and is known for its white umbrella-shaped flowers.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Apiales |
| Family | Apiaceae |
| Genus | Oxypolis |
Appearance
Oxypolis Rigidior can grow up to 1.5 meters tall and 1 meter wide. Its leaves are divided into three parts and are dark green in color. The flowers are small and white, and are arranged in umbrella-shaped clusters. The plant blooms from June to August.
Care Guide
Oxypolis Rigidior is a low-maintenance plant that can thrive in a variety of conditions. Here are some care tips:
- Water: The plant prefers moist soil but can tolerate some dryness.
- Fertilization: Fertilize the plant once a year in the spring with a balanced fertilizer.
- Soil: The plant prefers well-draining soil that is rich in organic matter.
- Sunlight: The plant prefers full sun but can tolerate partial shade.
- Hardiness Zones: The plant is hardy in zones 4-8.
Common Pests & Diseases
Oxypolis Rigidior is relatively pest and disease-resistant. However, it may be susceptible to fungal diseases if it is grown in overly wet conditions. Here are some common pests and diseases:
- Slugs and snails: These pests can eat the leaves and flowers of the plant.
- Aphids: These pests can suck the sap from the plant and cause it to wilt.
- Fungal diseases: These diseases can cause the leaves and stems to rot.
Habitat
Oxypolis Rigidior is native to North America and can be found growing in wetlands, meadows, and along stream banks. It prefers moist soil and can tolerate some flooding.
Question and Answer
Q: Is Oxypolis Rigidior poisonous?
A: Yes, the plant is toxic to both humans and animals if ingested.
Q: Can Oxypolis Rigidior be grown in containers?
A: Yes, the plant can be grown in containers as long as the soil is kept moist.
Q: Can Oxypolis Rigidior be propagated from cuttings?
A: Yes, the plant can be propagated from cuttings taken in the spring.
Q: How often should Oxypolis Rigidior be pruned?
A: The plant does not require regular pruning, but dead or damaged foliage can be removed as needed.
Related Plants
- Oxypolis canbyi
- Oxypolis filiformis
- Oxypolis occidentalis
- Oxypolis ternata
References
- “Oxypolis Rigidior.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=287920.
- “Oxypolis Rigidior.” Natural Resources Conservation Service, plants.usda.gov/core/profile?symbol=OXRIR.
- “Cowbane.” New York Natural Heritage Program, www.nynhp.org/spp/oxypolis-rigidior.
