Rosa macrophylla

What's the taxonomical classification of Rosa macrophylla?

Rosa macrophylla belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida, it falls under the subclass Magnoliidae and is a member of the order Rosales. This plant is further categorized into the family Rosaceae, within the genus Rosa, and is specifically identified by its species name, macrophyllas.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Rosales
Family Rosaceae
Genus Rosa
Species macrophylla
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Rosa macrophylla has large, broadly ovate to elliptical leaflets that typically measure between 5 and 15 centimeters in length and possess serrated margins. The compound leaves are generally pinnate with an odd number of leaflets arranged along a central petiole. Each leaf stalk is often armed with small prickles or glandular hairs that provide a distinct texture. The plant produces showy, solitary flowers that feature five spreading petals and a central cluster of numerous stamens. Its stems are woody and frequently covered in sharp, curved prickles to protect the climbing or arching growth habit.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the temperate regions of East Asia, primarily occurring in China, Japan, and the Korean Peninsula. It thrives in varied terrains ranging from mountainous forests to woodland edges throughout these territories. The species is often found in moist, well-drained soils where sunlight is filtered through a forest canopy. Specific populations are concentrated in subtropical and warm-temperate zones across southern and central China. This distribution patterns reflect its preference for mild climates with seasonal rainfall.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant requires full sun exposure, well-draining organic soil, and consistent moisture to thrive in temperate climates.

You should plant it in a location that provides protection from harsh winds to prevent stem damage. Regular pruning during the dormant season helps encourage vigorous new growth and prolific flowering. Applying a balanced fertilizer in early spring supports the development of its large, characteristic leaves.

Maintaining good air circulation around the base of the plant is essential to prevent fungal diseases.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

Rosa macrophylla contains medicinal properties primarily derived from its flower petals, hips, and bark. The dried petals are frequently used in infusions to act as a mild sedative and to alleviate symptoms of digestive upset. The fleshy red hips provide a concentrated source of vitamin C and are often processed into syrups to boost the immune system. Additionally, certain traditional practices utilize the bark to address inflammatory conditions. These various components are harvested at specific stages of growth to ensure maximum potency of their bioactive compounds.

Evidence Level: ★☆☆☆☆

What traditional systems uses this plant?

This plant, Rosa macrophylla, has been used historically in traditional Chinese medicine to treat various ailments through the preparation of decoctions or tinctures.

Practitioners often utilized its rose hips and petals to address digestive issues and promote blood circulation. In many regional folk practices, the flowers were also integrated into herbal teas intended to calm the nervous system and reduce inflammation.

These traditional applications relied on the plant's perceived ability to balance internal energies and soothe physical discomfort.

Evidence Level: ★☆☆☆☆

What are the pharmacological activities of Rosa macrophylla?

This plant has significant pharmacological activities including potent antioxidant, anti-inflammatory, antimicrobial, and antidiabetic properties. These biological effects are primarily driven by a high concentration of bioactive polyphenols and flavonoids found within its extracts. Researchers have observed that the plant can effectively scavenge free radicals, which helps protect cells from oxidative stress. Furthermore, its ability to inhibit certain bacterial strains makes it a candidate for natural antimicrobial treatments. Studies also suggest that specific compounds in the species may assist in regulating blood glucose levels.

Evidence Level: ★☆☆☆☆

What medicinal compounds this plant contains?

This plant contains high concentrations of polyphenols, flavonoids, vitamin C, and essential oils such as geraniol and citronellol. These chemical components work synergistically to provide potent antioxidant and anti-inflammatory properties. The presence of specific tannins contributes to its ability to act as an astringent in traditional topical applications. Additionally, the organic acids found within the petals help support skin health and immune function. These diverse medicinal compounds make the species a valuable subject for pharmacological study.

Evidence Level: ★☆☆☆☆

What health conditions is this plant used for?

This plant is used for treating various skin inflammatory conditions, gastrointestinal disorders, and certain fever-related ailments. Its medicinal properties are primarily derived from the extracts of its leaves and flowers, which possess significant antiseptic and anti-inflammatory qualities. For topical applications, it is often employed to soothe skin irritations, wounds, or minor burns. Additionally, traditional practitioners may use preparations of the plant to alleviate digestive discomfort or reduce body temperature during febrile episodes. These uses are rooted in long-standing ethnobotanical practices within specific regional medicinal traditions.

Evidence Level: ★☆☆☆☆

What are the herbal preparations of this plant?

This plant is used to create medicinal herbal preparations such as infusions, decoctions, and tinctures that primarily serve to treat digestive issues and support the immune system.

The rose hips are harvested after the fruit matures to ensure a high concentration of vitamin C and essential antioxidants. These dried fruits are often steeped in hot water to create a soothing tea meant to alleviate inflammation. Additionally, concentrated extracts can be formulated into syrups or topical salves to address skin irritation.

Regular consumption of these preparations is traditionally believed to promote overall vitality and strengthen the body's natural defenses.

Evidence Level: ★☆☆☆☆

What side effects this plant can have?

This plant can cause allergic skin reactions, digestive distress, and potential interference with certain medications. Individuals with sensitive skin may experience contact dermatitis or localized rashes after touching the leaves or stems. Ingesting parts of the plant can lead to nausea, stomach cramps, or diarrhea in some users. Furthermore, the chemical compounds within the plant might interact poorly with prescription drugs, altering their effectiveness. It is important to exercise caution and consult a professional before using any part of this species for medicinal purposes.

The main side effects this plant can have are shown in the list below.

    Evidence Level: ★☆☆☆☆

    What herbs are paired with Rosa macrophylla?

    This plant pairs optimally with peppermint, lavender, and lemon balm to create balanced aromatic profiles.

    These combinations utilize the subtle floral notes of the rose to complement the sharp freshness of mint or the soothing scents of lavender. When used in culinary infusions, the addition of citrusy herbs like lemon balm enhances the natural sweetness of the petals. These pairings are frequently employed in tea blends to promote relaxation and digestive wellness.

    Using these specific botanical matches ensures that the delicate fragrance of the rose is not overwhelmed.

    Evidence Level: ★☆☆☆☆