Contents
Description
Parietaria Debilis, commonly known as Weak Pellitory, is a delicate and small herbaceous plant that belongs to the family of Urticaceae. This plant is native to Europe, Northern Africa, and Western Asia. It is a herbaceous annual plant that can grow up to 20-60 cm in height. It has long and narrow leaves that are oblong-lanceolate and grow up to 5 cm in length. Parietaria Debilis blooms during summer, producing small greenish-yellow flowers that grow in clusters. Its fruits are tiny brownish-black nutlets that have a diameter of about 1 mm.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Urticaceae |
| Genus | Parietaria |
Appearance
Parietaria Debilis is a delicate and small herbaceous plant that is characterized by its long and narrow leaves that are oblong-lanceolate and grow up to 5 cm in length. The plant can grow up to 20-60 cm in height, and it blooms during summer, producing small greenish-yellow flowers that grow in clusters. Its fruits are tiny brownish-black nutlets that have a diameter of about 1 mm.
Care Guide
To ensure that your Parietaria Debilis grows healthy and strong, you need to follow these simple care tips:
Water: Parietaria Debilis requires moderate watering. Make sure that the soil is moist but not waterlogged. Water the plant when the topsoil is dry.
Fertilization: Feed the plant with a balanced fertilizer during the growing season. Avoid overfertilization as it can damage the plant.
Soil: Parietaria Debilis prefers well-drained soil that is rich in organic matter. Amend the soil with compost or well-aged manure before planting.
Sunlight: This plant prefers partial shade to full sun. It can tolerate a wide range of light conditions, but it should be protected from strong winds.
Hardiness Zones: Parietaria Debilis grows well in USDA hardiness zones 6-9.
Common Pests & Diseases
Parietaria Debilis is relatively pest and disease-free. However, it can be susceptible to aphids, spider mites, and whiteflies. These pests can be controlled using insecticidal soap or neem oil. The plant can also develop root rot if the soil is too wet, so make sure that the soil is well-drained.
Habitat
Parietaria Debilis is native to Europe, Northern Africa, and Western Asia. It grows in rocky areas, waste places, and along roadsides. It prefers well-drained soils that are rich in organic matter and partial shade to full sun.
Question and Answer
Q: Is Parietaria Debilis an annual or perennial plant?
A: Parietaria Debilis is an annual plant.
Q: What is the ideal soil pH for Parietaria Debilis?
A: Parietaria Debilis prefers a slightly acidic to neutral soil pH of 6.0-7.0.
Q: Can Parietaria Debilis tolerate drought?
A: No, Parietaria Debilis requires moderate watering and cannot tolerate drought.
Q: How tall can Parietaria Debilis grow?
A: Parietaria Debilis can grow up to 20-60 cm in height.
Related Plants
Here are some related plants that belong to the same family as Parietaria Debilis:
- Parietaria Judaica
- Parietaria Diffusa
- Urtica Dioica
- Laportea Canadensis
References
- Flora of North America Editorial Committee. (1997). Flora of North America North of Mexico, Volume 3: Magnoliophyta: Magnoliidae and Hamamelidae. Oxford University Press.
- Huxley, A., Griffiths, M., & Levy, M. (1992). The New Royal Horticultural Society Dictionary of Gardening. Macmillan Press.
- Royal Botanic Gardens, Kew. (2021). Parietaria Debilis. Retrieved from https://www.kew.org/science/our-science/data/kew-databases/plants-of-the-world-online/acceptedName/urn:lsid:ipni.org:names:852052-1
