Contents
Description
Cirsium Acaule, also known as stemless thistle, is a wildflower that belongs to the family Asteraceae. It is native to North America and can be found in various habitats such as meadows, prairies, and rocky slopes. This herbaceous perennial plant can grow up to 60 cm in height and has a basal rosette of leaves that are deeply lobed and spiny. The stem of the plant is usually unbranched and produces a single flower head that blooms from July to August. The flower head is purple in color and consists of numerous individual flowers.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Cirsium |
Appearance
The stemless thistle has a unique appearance that makes it easy to identify. Its basal leaves are deeply lobed and spiny, while the stem is usually unbranched and produces a single flower head. The flower head is purple in color and consists of numerous individual flowers. The stemless thistle can grow up to 60 cm in height and prefers to grow in well-drained soil.
Care Guide
The stemless thistle is a hardy plant that requires minimal care. Here are some tips on how to take care of this plant:
- Water: The stemless thistle prefers to grow in well-drained soil and does not require a lot of water. Water the plant when the soil is dry to the touch.
- Fertilization: The stemless thistle does not require fertilization.
- Soil: The stemless thistle prefers to grow in well-drained soil that is rich in organic matter.
- Sunlight: The stemless thistle prefers to grow in full sun but can tolerate some shade.
- Hardiness Zones: The stemless thistle can grow in hardiness zones 3-9.
Common Pests & Diseases
The stemless thistle is not prone to many pests or diseases. However, it can be susceptible to root rot if it is grown in soil that does not drain well. To prevent this, make sure the soil is well-drained and avoid overwatering the plant.
Habitat
The stemless thistle is native to North America and can be found in various habitats such as meadows, prairies, and rocky slopes. It prefers to grow in well-drained soil and can tolerate both full sun and some shade. The stemless thistle is a hardy plant that can grow in hardiness zones 3-9.
Question and Answer
- Q: Is the stemless thistle a perennial or an annual plant?
- A: The stemless thistle is a perennial plant.
- Q: Does the stemless thistle require a lot of water?
- A: No, the stemless thistle does not require a lot of water and prefers to grow in well-drained soil.
- Q: What is the best time to plant stemless thistle?
- A: The best time to plant stemless thistle is in the spring or fall.
- Q: How tall can the stemless thistle grow?
- A: The stemless thistle can grow up to 60 cm in height.
Related Plants
- Cirsium arvense
- Cirsium discolor
- Cirsium edule
References
- “Cirsium Acaule.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=d251.
- “Cirsium Acaule.” Plants of the World Online, Kew Science, plants.jstor.org/compilation/cirsium.acaule.
