Rosa bracteata
Rosa bracteata · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Rosa bracteata is a charming climbing rose known for its delicate, pale pink blossoms and vigorous growth habit. This species is particularly admired by gardeners for its ability to drape elegantly over fences and trellises. As the flowering season concludes, the plant transitions its focus toward the development of its distinctive fruit. These small, fleshy hips provide a beautiful splash of color to the landscape during the cooler months. Ultimately, the presence of these fruits serves as both a visual highlight and a vital food source for local wildlife.
- Synonyms
- Ernestella Bracteata · Rosa Bracteata Var. Scabricaulis · 4 more
- Common names
- Not available
- Family
- Rosaceae
- Distribution
- Southern America
- Plant Parts
- Fruit
Classification
Common Names
Rosa bracteata is a versatile species known by a wide variety of names across different regions and languages. In certain contexts, it is affectionately referred to by its common name, Boyunluklu Gül. Many enthusiasts also recognize the plant through its English titles, such as Macartney rose or Macartney's rose. It is frequently documented in botanical circles as Rosa de Macartney to honor its history. Additionally, you may encounter the simplified variation known as macartneyros in various gardening guides.
Sources: Catalogue of Life (COL)
Synonyms
Rosa bracteata is a complex species that has been classified under several different botanical names throughout history. Taxonomic studies have identified various synonyms for this plant, including the designation Ernestella bracteata and Rosa macartnea. Researchers have also categorized several distinct varieties, such as Rosa bracteata var. scabricaulis and Rosa bracteata var. taiwanensis. Furthermore, the plant is frequently associated with the name Rosa bracteata var. typica to denote its standard form. Understanding these overlapping relationships is essential for accurate identification within the genus.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Rosa bracteata is a remarkable specimen belonging to the vast kingdom Plantae. Within this kingdom, it is specifically classified under the class Equisetopsida. Its botanical lineage continues through the order Rosales, placing it among a diverse group of flowering plants. Furthermore, this species is a member of the well-known family Rosaceae, which is celebrated for its beautiful blooms. Ultimately, it finds its place within the genus Rosa, connecting it to the iconic roses found worldwide.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Rosa |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Rosa bracteata exhibits a wide and diverse geographic distribution that spans across multiple continents and island chains. In the warmer regions, this species can be found throughout Africa, Madagascar, and the Western Indian Ocean. Its presence extends deeply into the Asia-Temperate zone, where it is widely distributed across various parts of China, including the South-Central and Southeast regions. Furthermore, the plant thrives in Eastern Asia, specifically inhabiting the Nansei-shoto islands and Taiwan. This broad range highlights the remarkable adaptability of the species to different ecological environments.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Rosa bracteata is a distinctive plant characterized by its robust shrub growth form. This species features an obligatory climbing habit, requiring support to ascend toward the light. As it matures, the plant reaches impressive vertical proportions. Its height typically ranges from a minimum of 2 meters to a maximum of 5 meters. Depending on environmental conditions, it frequently settles into a substantial height of at least 3.5 meters.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Conditions
Preparations
Parts used
Rosa bracteata is a member of the Rose genus that produces distinct fruit used for various pharmacological studies. Research into these fruits has focused on identifying specific active constituents capable of antagonizing withdrawal syndromes in morphine-dependent mice. Through repeated silica gel chromatography, scientists successfully isolated and purified several key compounds from the plant material. The chemical structures of these constituents, including trimethyl citrate and calcium citrate, were clearly determined using spectroscopy and chemical reactions. These findings represent the first time such specific compounds have been identified from the fruit of this species.