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Safety Overview
1.Paeonia Rockii — At a Glance
Paeonia rockii, commonly known as Rock's Peony or Tree Peony, is a distinguished woody perennial shrub native to the high-altitude mountainous regions of China, particularly thriving in provinces such as Gansu, Shaanxi, and Qinghai. Unlike its herbaceous counterparts, this magnificent plant is characterized by its persistent woody stems that do not die back to the ground in winter, forming a robust shrub-like structure that can reach impressive heights of 1 to 3 meters (3 to 10 feet).
It belongs to the Paeoniaceae family, a classification that underscores its unique botanical traits.
The foliage of Paeonia rockii is deeply lobed and pinnately compound, presenting a rich, dark green backdrop that enhances its ornamental value. The leaves are typically smooth on the upper surface and lighter green, sometimes with a white powdery coating and sparse hairs, on the underside. The true spectacle unfolds in late spring to early summer when its large, often dramatic flowers unfurl.
These blooms can measure 15 to 30 cm (6 to 12 inches) in diameter, showcasing a breathtaking array of colors from pure white, vibrant pink, and deep crimson to various shades of purple. A defining characteristic, and the origin of its 'purple spot peony' moniker, is the striking dark maroon or crimson blotches, often referred to as 'eye spots' or 'flames,' located at the base of each petal. This distinctive feature sets Paeonia rockii apart from many other peony species and cultivars.
Following its opulent flowering, the plant produces large, woody seed pods that eventually split open to reveal numerous glossy black seeds, adding continued visual interest to the landscape. Beyond its aesthetic appeal, Paeonia rockii holds significant historical and cultural importance in China, with its medicinal properties having been revered and utilized for centuries within traditional Chinese medicine (TCM).
Its resilience and beauty make it a cherished species in both horticulture and ethnobotany.
Trusted Scientific References
1. Authoritative external sources for Paeonia Rockii
1.1 Wikipedia — Paeonia Rockii
1.2 Kew POWO (Plants of the World Online)
1.3 PubMed — peer-reviewed research
1.4 NCBI Taxonomy Browser
1.5 GBIF — Global Biodiversity
1.1.Paeonia Rockii — Highlights
- ✓Woody Shrub — Unlike herbaceous peonies, Paeonia rockii maintains a woody structure year-round.
- ✓Distinctive Flowers — Large, often 15-30 cm diameter, with characteristic dark basal blotches ('eye spots').
- ✓Native to China — Indigenous to mountainous regions of Gansu, Shaanxi, and Qinghai provinces.
- ✓Medicinal Significance — Root bark (Mudanpi) widely used in Traditional Chinese Medicine for centuries.
- ✓High — Altitude Adaptation — Thrives in cooler, well-drained environments.
- ✓Deciduous Foliage — Deeply lobed, pinnately compound leaves provide an attractive green backdrop.
- ✓Ornamental Value — Highly prized in horticulture for its spectacular blooms and elegant form.
- ✓Long — Lived Plant — Tree peonies are known for their longevity, improving with age.
- ✓Varied Bloom Colors — Flowers range from white, pink, and crimson to various purples.
- ✓Seed Pods — Produces large, woody seed pods containing glossy black seeds, adding post-bloom interest.
1.2.Paeonia Rockii — Quick Summary
- ✓Rock's Peony is a woody shrub native to high-altitude China, prized for its large, distinctive 'eye spot' flowers.
- ✓Root bark (Mudanpi) is a prominent herb in Traditional Chinese Medicine (TCM).
- ✓Known for anti-inflammatory, analgesic, antipyretic, and blood-activating properties.
- ✓Key chemical constituents include paeoniflorin, flavonoids, and phenolic acids.
- ✓Cultivation requires well-drained soil, partial sun, and protection from strong winds.
- ✓Use with caution, especially during pregnancy or with anticoagulant medications.
2.Paeonia Rockii — Botanical Identity
3.Paeonia Rockii — Fact Sheet
4.Paeonia Rockii — Physical Description
5.Paeonia Rockii — Ecological Habitat
6.Paeonia Rockii — Traditional Uses
7.Paeonia Rockii — Chemical Profile
- ✓Monoterpenoids — Paeoniflorin, albiflorin, oxypaeoniflorin, and benzoyloxypaeoniflorin are key active compounds, primarily responsible for the plant's anti-inflammatory, analgesic, and sedative effects.
- ✓Flavonoids — Quercetin, kaempferol, and their glycosides are present, contributing to the plant's antioxidant, anti-inflammatory, and cardioprotective activities by scavenging free radicals.
- ✓Triterpenoids — Compounds like oleanolic acid and ursolic acid are found, known for their anti-inflammatory, hepatoprotective, and potential anti-cancer properties.
- ✓Phenolic Acids — Gallic acid, ellagic acid, and caffeic acid derivatives are abundant, providing significant antioxidant and anti-inflammatory benefits.
- ✓Tannins — Hydrolyzable and condensed tannins contribute to the astringent and antimicrobial properties, often playing a role in wound healing and digestive health.
- ✓Volatile Oils — A complex mixture of monoterpenes and sesquiterpenes gives the plant its characteristic fragrance and may possess antimicrobial and anti-inflammatory actions.
- ✓Stilbenoids — Resveratrol and its derivatives, though in smaller quantities, are known for their potent antioxidant and anti-aging properties.
- ✓Fatty Acids — Essential fatty acids found in the seeds and other parts contribute to general cellular health and membrane integrity.
- ✓Polysaccharides — Water-soluble polysaccharides may contribute to immunomodulatory effects, supporting the body's natural defense mechanisms.
8.Paeonia Rockii — Evidence-Based Benefits
- ✓Anti-inflammatory Action — The root bark of Paeonia rockii contains paeoniflorin and other monoterpenoids that exhibit significant anti-inflammatory effects by modulating immune responses and inhibiting pro-inflammatory mediators.
- ✓Analgesic Properties — Traditionally used to alleviate pain, its compounds, particularly paeoniflorin, have been shown to possess pain-relieving capabilities, potentially through central nervous system pathways.
- ✓Antipyretic Effects — In traditional Chinese medicine (TCM), Paeonia rockii is valued for its ability to reduce fever, attributed to its cooling properties and impact on thermoregulatory mechanisms.
- ✓Blood-Activating and Stasis-Resolving — Known as 'Mu Dan Pi' in TCM, the root bark helps invigorate blood circulation and disperse blood stasis, which is crucial for treating conditions like menstrual irregularities and traumatic injuries.
- ✓Antioxidant Activity — Rich in phenolic compounds and flavonoids, Paeonia rockii exhibits potent antioxidant properties, protecting cells from oxidative stress and free radical damage.
- ✓Antimicrobial Effects — Certain extracts from Paeonia rockii have demonstrated inhibitory effects against various bacteria and fungi, contributing to its traditional use in treating infections.
- ✓Sedative and Anxiolytic Potential — Components within the plant may exert mild sedative effects, promoting relaxation and potentially aiding in the management of anxiety and insomnia.
- ✓Cardioprotective Benefits — Research suggests that compounds from Paeonia species can support cardiovascular health by improving blood flow, reducing lipid peroxidation, and potentially regulating blood pressure.
- ✓Skin Health Support — Its anti-inflammatory and antioxidant properties make it beneficial in traditional remedies for skin conditions, helping to soothe irritation and promote healing.
- ✓Liver Protective Effects — Some studies indicate that extracts may help protect liver cells from damage and support overall liver function, aligning with its use in TCM for 'clearing heat' from the liver.
8.1.Paeonia Rockii — Reported Uses
9.Paeonia Rockii — Cautions & Contraindications
9.1.Paeonia Rockii — Possible Adverse Reactions
- ✓Gastrointestinal Upset — May cause mild stomach discomfort, nausea, or diarrhea in sensitive individuals or with high doses.
- ✓Allergic Reactions — Rare instances of skin rash, itching, or other allergic responses have been reported.
- ✓Anticoagulant Interaction — Due to its blood-activating properties, it may theoretically interact with anticoagulant medications, increasing the risk of bleeding.
- ✓Hypotension — High doses might lead to a temporary drop in blood pressure, especially in individuals prone to low blood pressure.
- ✓Uterine Contractions — There is a theoretical concern that it could stimulate uterine contractions, making it contraindicated during pregnancy.
- ✓Sedation — While often a desired effect, excessive consumption could lead to drowsiness or impaired coordination.
- ✓Liver Enzyme Elevation — In very rare cases, extremely high doses or prolonged use might be associated with transient liver enzyme elevations.
9.2.Paeonia Rockii — Safety Profile
- ✓Pregnancy — Contraindicated during pregnancy due to theoretical concerns of stimulating uterine contractions; always consult a healthcare professional.
- ✓Lactation — Avoid use during breastfeeding as insufficient data exists regarding its safety for infants.
- ✓Anticoagulant Medications — Use with caution and under medical supervision if taking blood-thinning drugs due to potential additive effects.
- ✓Surgery — Discontinue use at least two weeks prior to any scheduled surgery to minimize the risk of increased bleeding.
- ✓Children — Not recommended for use in children without expert medical guidance due to limited safety data.
- ✓Pre-existing Conditions — Individuals with bleeding disorders, hypotension, or liver conditions should consult a doctor before use.
- ✓Dosage Adherence — Adhere strictly to recommended dosages to minimize the risk of adverse effects.
10.Paeonia Rockii — Preparations & Uses
- ✓Decoction — The dried root bark (Mudanpi) is commonly prepared as a decoction by simmering in water, traditionally taken orally for its anti-inflammatory and blood-activating properties.
- ✓Powdered Form — The finely ground root bark can be encapsulated or mixed with liquids, offering a convenient way to consume the medicinal compounds.
- ✓Tincture — An alcoholic extract of the root bark allows for long-term preservation and concentrated dosing, often used for chronic conditions.
- ✓Topical Application — Infusions or poultices made from the root bark can be applied externally to reduce inflammation, swelling, and promote healing of skin ailments.
- ✓Herbal Formulas — Paeonia rockii is frequently combined with other herbs in complex Traditional Chinese Medicine (TCM) formulations to enhance synergistic effects and address specific patterns of imbalance.
- ✓Tea Infusion — For milder applications or general wellness, dried petals can be steeped in hot water to create a fragrant, soothing tea with mild beneficial properties.
- ✓Essential Oil — While less common for the root bark, essential oils from the flowers may be used in aromatherapy for their calming and mood-enhancing effects.
- ✓Medicinal Wine — In some traditional practices, the root bark is macerated in alcohol to create a medicinal wine, believed to enhance its therapeutic actions and absorption.
11.Paeonia Rockii — How to Grow
- ✓Site Selection — Plant Paeonia rockii in a location with full sun to partial shade, ensuring protection from strong winds that can damage its large blooms.
- ✓Soil Requirements — Prefers well-drained, fertile soil with a neutral to slightly alkaline pH. Amend heavy clay soils with organic matter to improve drainage.
- ✓Planting Depth — Plant so the graft union (if grafted) is 4-6 inches below the soil surface to encourage scion rooting and better establishment.
- ✓Watering — Requires regular watering during dry spells, especially in its establishment phase, but avoid waterlogging to prevent root rot.
- ✓Fertilization — Apply a balanced, slow-release fertilizer in early spring as new growth emerges, avoiding high-nitrogen fertilizers that promote foliage over flowers.
- ✓Pruning — Minimal pruning is needed; remove dead, damaged, or crossing branches in late winter or early spring. Remove spent flowers to prevent seed formation and redirect energy.
- ✓Winter Protection — In colder zones (USDA 5-6), apply a layer of mulch around the base in late fall to insulate roots and protect newly emerging buds from late frosts.
- ✓Pest and Disease Management — Generally robust, but monitor for common peony issues like botrytis blight or powdery mildew, ensuring good air circulation.
Reviewed by the Flora Medical Global Botanical Review Panel
Multi-disciplinary editorial group · Botany · Ethnobotany · Herbal-medicine literature
Who reviewed this: This page was checked by the Flora Medical Global Botanical Review Panel — an in-house editorial group of botany graduates, ethnobotany researchers, and horticulture practitioners who collectively maintain our 7,000+ plant encyclopedia. Meet the team.
Our 4-step verification process
1. Taxonomic verification
Scientific names and synonyms cross-checked against Kew POWO, World Flora Online, and The Plant List.
2. Phytochemical & medicinal cross-reference
Active compounds, traditional uses, and reported activities are cross-referenced with PubMed, USDA Dr. Duke's database, and peer-reviewed ethnobotanical literature.
3. Conservation & distribution check
Distribution, ecology, and conservation status confirmed against GBIF occurrence records and the IUCN Red List.
4. Editorial & safety review
Every entry passes an editorial pass for clarity, originality, and safety notices (toxicity, contraindications, dosage caveats) before publication.
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Important medical disclaimer: This content is for educational and research purposes only. It is not medical advice and is not a substitute for consultation with a licensed healthcare provider. Do not use any herb to self-treat a medical condition without professional guidance.
Editorial Note: This page is for educational and research purposes only and is not medical advice.
Written by: Flora Medical Global Editorial Team
Reviewed by: Flora Medical Global Botanical Review Panel
Last Updated: June 15, 2026
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