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Description
Rubus Rigidus, commonly known as the mountain blackberry, is a species of the Rubus genus that belongs to the Rosaceae family. It is native to the western United States, specifically in the states of California, Oregon, and Washington. It is a deciduous shrub that can reach up to 2 meters tall with prickly stems and leaves. The flowers are white or pink and bloom from late spring to early summer, while the fruit is a black, shiny, and juicy berry that ripens from July to August.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Rubus |
Appearance
The Rubus Rigidus has prickly stems and leaves that are green and have a rough texture. The leaves are pinnately compound, with 3-5 leaflets that are ovate to lanceolate in shape. The flowers are 1-2 cm in diameter and have 5 petals that are white or pink. The fruit is a black, shiny, and juicy berry that is 1-2 cm in diameter and has many small seeds.
Care Guide
Rubus Rigidus prefers well-draining soil that is rich in organic matter. It needs regular watering, especially during dry periods, but it should not be overwatered. Fertilize the plant once a year in the spring with a balanced fertilizer. It prefers full sun to partial shade and can tolerate temperatures down to -12°C. It is hardy in USDA zones 6-9.
Common Pests & Diseases
The Rubus Rigidus is susceptible to various pests and diseases, including spider mites, aphids, and powdery mildew. Spider mites and aphids can be controlled with insecticidal soap or neem oil, while powdery mildew can be controlled with fungicides. It is also prone to root rot, which can be prevented by ensuring proper drainage.
Habitat
The Rubus Rigidus is native to mountainous regions in the western United States, where it grows in rocky soils, forest clearings, and along streams and rivers. It can also be found in disturbed areas such as roadsides and abandoned fields.
Question and Answer
Q: How often should I water my Rubus Rigidus?
A: Water your Rubus Rigidus regularly, especially during dry periods, but avoid overwatering.
Q: What is the hardiness zone for Rubus Rigidus?
A: Rubus Rigidus is hardy in USDA zones 6-9.
Q: How tall can Rubus Rigidus grow?
A: Rubus Rigidus can reach up to 2 meters tall.
Q: What is the fruit of Rubus Rigidus?
A: The fruit of Rubus Rigidus is a black, shiny, and juicy berry that ripens from July to August.
Related Plants
- Rubus leucodermis
- Rubus parviflorus
- Rubus ursinus
- Rubus idaeus
References
- “Rubus Rigidus”. Missouri Botanical Garden. Retrieved 2021-02-18.
- “Rubus Rigidus”. Plant Finder. Retrieved 2021-02-18.
- “Rubus Rigidus”. Calflora. Retrieved 2021-02-18.
