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Description
Ourisia Crosbyi, commonly known as Crosby’s Ourisia, is an evergreen perennial plant native to the mountains of Chile. It belongs to the family Plantaginaceae and is a popular ornamental plant due to its attractive foliage and vibrant flowers. This plant is named after the American botanist, Mrs. Crosby.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Angiospermae |
| Order | Lamiales |
| Family | Plantaginaceae |
| Genus | Ourisia |
| Species | Crosbyi |
Appearance
The Crosby’s Ourisia has glossy, dark green leaves that are slightly toothed and oval-shaped. The plant grows up to 30cm tall and produces numerous flowers that are bright pink or pale purple. The flowers bloom in late spring to early summer and have five petals that are fused at the base. The plant also produces small, round seedpods that contain many tiny seeds.
Care Guide
To ensure healthy growth of Crosby’s Ourisia, follow these care tips:
Water: Water the plant regularly, making sure that the soil is moist but not waterlogged. Avoid overwatering as it can cause root rot.
Fertilization: Fertilize the plant with a balanced fertilizer every two weeks during the growing season.
Soil: The plant prefers well-draining soil that is rich in organic matter. Use a mixture of peat moss, sand, and perlite to improve soil drainage.
Sunlight: Crosby’s Ourisia prefers partial shade and can tolerate full shade. Avoid planting it in direct sunlight as it can scorch the leaves.
Hardiness Zones: The plant is hardy in zones 8 to 10 and can tolerate frost but needs protection from harsh winter winds.
Common Pests & Diseases
Crosby’s Ourisia is susceptible to spider mites, aphids, and whiteflies. It can also be affected by fungal diseases such as powdery mildew and root rot. To prevent pests and diseases, keep the plant clean and well-aerated. Use insecticidal soap or neem oil to control pests and remove infected leaves to prevent the spread of diseases.
Habitat
Crosby’s Ourisia is native to the mountains of Chile, where it grows in rocky crevices and alpine meadows. It prefers cool temperatures and can tolerate mild frost.
Question and Answer
Q: Can Crosby’s Ourisia tolerate full shade?
A: Yes, it can tolerate full shade.
Q: How often should I fertilize Crosby’s Ourisia?
A: Fertilize the plant every two weeks during the growing season.
Q: What are the common pests of Crosby’s Ourisia?
A: Spider mites, aphids, and whiteflies are common pests of Crosby’s Ourisia.
Q: What is the hardiness zone of Crosby’s Ourisia?
A: The plant is hardy in zones 8 to 10.
Related Plants
- Ourisia Coccinea
- Ourisia Macrocarpa
- Ourisia Microphylla
- Ourisia Pectinata
References
- https://www.gardenia.net/plant/ourisia-crosbyi-crosbys-ourisia
- https://www.rhs.org.uk/Plants/14703/Ourisia-Crosbyi/Details
- https://www.gardeningknowhow.com/ornamental/flowers/crosbys-ourisia/crosbys-ourisia-care.htm
