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Description
Cirsium Brevistylum, commonly known as the Short-styled Thistle, is a perennial herbaceous plant that belongs to the Asteraceae family. It is native to North America and can be found in Canada and the United States, particularly in the western region. The plant grows up to 3 feet tall and produces spiny, thistle-like leaves that are green on top and white underneath. The flowers are pink to lavender in color and bloom in mid-summer to early fall.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Cirsium |
Appearance
Cirsium Brevistylum has spiny leaves that are deeply lobed and can grow up to 1 foot long. The stem is tall and erect, and produces pink to lavender flowers that are about 1 inch in diameter. The flowers appear in clusters and are surrounded by spiny bracts. The plant blooms from mid-summer to early fall and can grow up to 3 feet tall. The leaves and stem are covered in small, white hairs.
Care Guide
Cirsium Brevistylum is a hardy plant that is easy to care for. It prefers full sun and well-draining soil that is rich in organic matter. The plant should be watered regularly, but not over-watered as it can lead to root rot. Fertilization should be done in the spring and fall using a balanced fertilizer. The plant is hardy in zones 3 to 9.
Common Pests & Diseases
Cirsium Brevistylum is generally not affected by pests or diseases. However, it can be susceptible to root rot if over-watered. It is also important to keep an eye out for aphids, spider mites, and thrips which can sometimes infest the plant.
Habitat
Cirsium Brevistylum is native to North America and can be found in Canada and the United States, particularly in the western region. It grows in a variety of habitats, including meadows, prairies, and along roadsides. The plant prefers well-draining soil and full sun.
Question and Answer
Q: Is Cirsium Brevistylum an invasive species?
A: No, Cirsium Brevistylum is not considered an invasive species.
Q: Can Cirsium Brevistylum be grown in containers?
A: Yes, Cirsium Brevistylum can be grown in containers as long as they are large enough to accommodate the plant’s size.
Q: Does Cirsium Brevistylum attract pollinators?
A: Yes, Cirsium Brevistylum is known to attract bees and butterflies.
Q: How often should Cirsium Brevistylum be fertilized?
A: Cirsium Brevistylum should be fertilized in the spring and fall using a balanced fertilizer.
Related Plants
- Cirsium Arvense
- Cirsium Discolor
- Cirsium Altissimum
- Cirsium Rivulare
References
- “Cirsium Brevistylum.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c872.
- “Cirsium Brevistylum.” USDA Plants Database, plants.usda.gov/core/profile?symbol=CIBR.
- “Short-styled Thistle.” Native Plant Trust, www.nativeplanttrust.org/plants/cirsium-brevistylum/.
