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Description
Atractylis Cancellata, commonly known as the Spiny Thistle, is a species of flowering plant in the family Asteraceae. It is native to the Mediterranean region and can be found in countries such as Spain, Portugal, Italy, and Greece. This herbaceous perennial plant typically grows up to 1.5 meters in height and spreads up to 1 meter wide. The plant produces a rosette of leaves that are deeply lobed and spiny. The flowers are yellow and arranged in clusters at the top of the stem. The plant flowers from July to September.
Taxonomic Information
Below is the taxonomic classification for Atractylis Cancellata:
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Atractylis |
Appearance
The Spiny Thistle has a unique appearance with its deeply lobed, spiny leaves and yellow clustered flowers. The plant typically grows up to 1.5 meters in height and spreads up to 1 meter wide. The leaves of the plant are grayish-green and covered in hairs. The flowers are 2-3cm in diameter and are arranged in clusters at the top of the stem. The plant produces small fruit that are covered in spines and contain achenes.
Care Guide
The Spiny Thistle is a hardy plant and can withstand harsh conditions. However, it still requires proper care for optimal growth. Below is a care guide for the Spiny Thistle:
- Water: The Spiny Thistle is drought-tolerant and does not require frequent watering. Water the plant only when the soil is completely dry.
- Fertilization: The Spiny Thistle does not require fertilization. However, you can apply a slow-release fertilizer in the spring to promote growth.
- Soil: The Spiny Thistle prefers well-draining soil. It can grow in sandy, loamy, or rocky soil.
- Sunlight: The Spiny Thistle prefers full sun but can also grow in partial shade.
- Hardiness Zones: The Spiny Thistle is hardy in USDA zones 8-11.
Common Pests & Diseases
The Spiny Thistle is generally not affected by pests or diseases. However, it can sometimes be affected by aphids, spider mites, or powdery mildew. These can be controlled by using insecticidal soap or horticultural oil. The Spiny Thistle can also be affected by root rot if the soil is too wet.
Habitat
The Spiny Thistle is native to the Mediterranean region and can be found in countries such as Spain, Portugal, Italy, and Greece. It grows in dry, rocky areas and is often found in fields, hillsides, and along roadsides.
Question and Answer
Below are some frequently asked questions about the Spiny Thistle:
- Q: Is the Spiny Thistle poisonous?
A: Yes, the Spiny Thistle contains toxic compounds that can cause gastrointestinal distress if ingested. It is not recommended to consume the plant. - Q: Can the Spiny Thistle be grown in containers?
A: Yes, the Spiny Thistle can be grown in containers as long as they are large enough to accommodate the plant’s size. - Q: How often should the Spiny Thistle be pruned?
A: The Spiny Thistle does not require pruning. However, you can remove any dead or damaged leaves or flowers to improve the plant’s appearance. - Q: Can the Spiny Thistle be propagated by cuttings?
A: Yes, the Spiny Thistle can be propagated by stem cuttings in the spring or summer. Dip the cuttings in rooting hormone and plant them in well-draining soil.
Related Plants
Other plants in the Atractylis genus include:
- Atractylis arbuscula
- Atractylis carduus
- Atractylis gummifera
- Atractylis macrocephala
References
- https://www.gardenia.net/plant/attractylis-cancellata
- https://www.rhs.org.uk/plants/723/atractylis-cancellata/details
- https://www.gardeningknowhow.com/ornamental/flowers/thistle/growing-spiny-thistle-plants.htm
- https://pfaf.org/user/Plant.aspx?LatinName=Atractylis+cancellata
