Schisandra glaucescens
What's the taxonomical classification of Schisandra glaucescens?
Schisandra glaucescens belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this lineage, it is situated in the class Equisetopsida and the subclass Magnoliidae. The plant is further categorized under the order Austrobaileyales and falls within the family Schisandraceae. Its specific taxonomic identity is defined by the genus Schisandra, with the unique specific epithet glaucescens denoting its species designation.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Austrobaileyales |
| Family | Schisandraceae |
| Genus | Schisandra |
| Species | glaucescens |
What are the morphological characteristics of this plant?
Schisandra glaucescens has woody climbing vines characterized by opposite, elliptical leaves that feature a distinct glaucous, bluish-green underside. The foliage is typically leathery in texture and possesses entire margins. During the flowering season, small, inconspicuous flowers emerge from the leaf axils. These blooms eventually develop into fleshy, red schizocarps that serve as the plant's fruit. The overall growth habit allows the plant to scramble through forest undergrowth using its flexible stems.
What is the geographical distribution of this plant?
This plant is native to the mountainous regions of central and southern China, primarily located within provinces such as Sichuan, Yunnan, and Guizhou. It typically thrives in the understory of dense, moist temperate forests at various elevations. Its distribution is often restricted to shaded areas where the soil remains consistently damp and rich in organic matter. Because it prefers specific microclimates, it is rarely found in open or arid landscapes. The species remains localized to these high-altitude subtropical zones across its known range.
How is this plant cultivated?
This plant Schisandra glaucescens requires well-drained, organic-rich soil and partial shade to thrive in temperate or subtropical mountain environments.
Growers must ensure consistent moisture levels without allowing the roots to sit in stagnant water to prevent rot. Because it is a woody climber, providing sturdy trellis systems or supporting trees is essential for its structural development. Proper cultivation also involves careful pruning to encourage vigorous new growth and productive flowering.
Monitoring for specific pests and maintaining a stable temperature range will maximize the yield of its medicinal berries.
What parts of this plant are used medicinally?
This plant Schisandra glaucescens is used medicinally through its roots and stems to treat various ailments. The roots are particularly valued in traditional practices for their ability to enhance physical stamina and cognitive function. Meanwhile, the stem contains bioactive compounds that contribute to the overall therapeutic profile of the species. Harvesting these specific parts allows practitioners to extract the essential elements required for herbal preparations. These components work together to provide the medicinal benefits associated with this woody vine.
According to a study published by "Planta medica", the fibrous roots of Schisandra glaucescens Diels harbor an endophytic fungus named Chaetomium sp. SG-01. From the fermentation of this fungus, two new cytochalasans with a 6/6/5/5/7 pentacyclic ring system, named chaetoconvosins C-D (1: -2: ), were isolated along with two known congeners (3: -4: ). When evaluating the TRAIL-resistance-overcoming activity of compounds 1: -4: in a TRAIL-resistant HT29 colorectal cancer cell line, co-treatment at 50 µM with TRAIL (150 ng/mL) was tested. This process reduced the HT29 cell viability by 19.0%, 24.1%, 17.9%, and 15.5% compared to treatment with 1: -4: alone.
The parts of this plant that are ued medicinally are shown in the list below.
- roots
- stem
What traditional systems uses this plant?
This plant Schisandra glaucescens has been utilized for centuries within Traditional Chinese Medicine to treat various ailments related to the liver and kidneys. Practitioners historically employed the dried fruit to calm the spirit and alleviate symptoms of anxiety or restlessness. The berries were also prepared as decoctions to help stabilize sweating and manage exhaustion. Beyond its primary medicinal roles, the plant was frequently used to support overall vitality and restorative energy. These traditional applications reflect a long-standing belief in its ability to balance internal bodily functions.
According to a study published by "Journal of ethnopharmacology", Schisandra glaucescens Diels is used in a subclass of traditional Chinese medicine known as Tujia drugs. This woody liana grows in mountain jungles at altitudes of 750-1800m and is mainly distributed in Sichuan and Hubei Provinces of China. It has been long used for the treatment of rheumatoid arthritis, cough with dyspnea, spontaneous sweating, night sweating, chronic diarrhea, and neurasthenia. The study evaluated EA fractions at 104, 312, and 936mg/kg and Bu fractions at 156, 469, and 1407mg/kg. These extracts were administered every 2 days for 3 weeks starting from the 15th day.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Chinese Medicine
What are the pharmacological activities of Schisandra glaucescens?
This plant has antiarthritic, antireumatic, and neuroprotective pharmacological activities that contribute to its medicinal value. Its bioactive compounds work to reduce inflammation and alleviate the painful symptoms associated with joint diseases. Research indicates that these properties can help mitigate the progressive damage caused by chronic autoimmune conditions. Furthermore, the plant exhibits significant neuroprotective effects that may help defend nerve cells against oxidative stress and degeneration. These diverse therapeutic capabilities make Schisandra glaucescens a subject of great interest in pharmacological studies.
According to a study published by "Journal of ethnopharmacology", Schisandra glaucescens Diels is used in Tujia drugs for the treatment of rheumatoid arthritis, cough with dyspnea, spontaneous sweating, night sweating, chronic diarrhea, and neurasthenia. The study evaluated the antiarthritic activity of acetate (EA) fractions at 104, 312, and 936 mg/kg and n-butanol (Bu) fractions at 156, 469, and 1407 mg/kg. Oral administration of these fractions significantly and dose-dependently inhibited type II collagen induced arthritis in mice, affecting paw swelling and spleen index. Histopathological examinations showed that the plant effectively protected bones and cartilages of knee joints from erosion, lesion, and deformation. Furthermore, serum concentrations of cytokines TNF-α, IL-1β, and IL-6 were significantly lower, while IL-10 was remarkably higher compared to the vehicle control group.
The primary pharmacological activities of this plant are shown in the list below.
- neuroprotective
What medicinal compounds this plant contains?
This plant contains the medicinal compounds (-)-zuonin-A, (-)-cubebol, 4-epi-cubebol, schiglaucin A, and schiglaucin B. These specific lignans are extracted from the chemical profile of Schisandra glaucescens to study their biological activities. Researchers analyze these molecules to determine how they interact with cellular pathways in various medicinal contexts. The presence of such diverse chemical constituents highlights the complex secondary metabolism of this species. Understanding these specific compounds is essential for identifying the plant's potential therapeutic applications.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", twelve compounds were separated from the petroleum ether fractions of Schisandra glaucescens. These identified compounds include t-cadinol (1), alpha-cadinol (2), torreyol (3), (+)-ent-epicubenol (4), ent-T-muurolol (5), (-)-15-hydroxycalamenene (6), (-)-cubebol (7), 4-epi-cubebol (8), caryophyllenol-I (9), caryophyllenol-II (10), oxyphyllenodiols A (11), and caryolane-1,9/3-diol (12). While compounds 4 and 6-12 were separated from the genus for the first time, all compounds 1-12 were separated from this plant for the first time.
The primary medicinal compounds of this plant are shown in the list below.
- schiglaucin A
- schiglaucin B
- (-)-zuonin-A
- (-)-cubebol
- 4-epi-cubebol
What health conditions is this plant used for?
This plant is used for treating neurasthenia, rheumatoid arthritis, collagen-induced arthritis, night sweating, and spontaneous sweating. It acts as a medicinal herb to stabilize the nervous system and alleviate symptoms of exhaustion. Researchers have studied its efficacy in managing inflammatory responses associated with both rheumatoid and collagen-induced arthritis. Additionally, the plant helps regulate autonomic functions to reduce excessive perspiration. Its traditional applications focus heavily on restoring internal balance to mitigate these various physical ailments.
According to a study published by "Journal of ethnopharmacology", Schisandra glaucescens Diels is used in traditional Chinese medicine for the treatment of rheumatoid arthritis, cough with dyspnea, spontaneous sweating, night sweating, chronic diarrhea, and neurasthenia. The plant grows as a woody liana in mountain jungles at altitudes of 750-1800m. In pharmacological investigations using a model induced by immunization on the 1st and 14th day, the EA fraction was administered at doses of 104, 312, and 936mg/kg. The Bu fraction was administered at doses of 156, 469, and 1407mg/kg every two days starting from the 15th day for 3 weeks. This plant extract was found to effectively protect bones and cartilage from erosion, lesion, and deformation in the knee joints.
The main health conditions this plant is used for are shown in the list below.
- neurasthenia
- night sweating
- rheumatoid arthritis
- spontaneous sweating
- collagen-induced arthritis
What are the herbal preparations of this plant?
This plant is Schisandra glaucescens, a medicinal species used to create various herbal preparations such as decoctions, tinctures, and concentrated extracts. Researchers have specifically investigated the acetate fraction extract of this plant to identify its bioactive compounds. These preparations are often studied for their potential pharmacological properties, including antioxidant and neuroprotective effects. The chemical composition of these extracts varies depending on the specific solvent and extraction method employed. Scientists continue to explore how these different medicinal forms can be utilized in therapeutic applications.
According to a study published by "Journal of ethnopharmacology", Schisandra glaucescens Diels grows as a woody liana in mountain jungles at altitudes of 750-1800m. This plant is used in Tujia drugs for treating rheumatoid arthritis, cough with dyspnea, spontaneous sweating, night sweating, chronic diarrhea, and neurasthenia. In pharmacological investigations, the EA fraction was administered at 104, 312, and 936mg/kg, while the Bu fraction was administered at 156, 469, and 1407mg/kg. These fractions were orally administered every 2 days for 3 weeks starting from the 15th day. The study found that both fractions significantly and dose-dependently inhibited arthritis in mice, protecting bones and cartilage from erosion, lesion, and deformation. The half lethal doses of both fractions were much higher than the doses used in the pharmacological investigations.
The main herbal preparations of this plant are shown in the list below.
- acetate fraction extract
What side effects this plant can have?
This plant can cause adverse health reactions including nausea, digestive upset, insomnia, dizziness, headache, and increased blood pressure. While often used for its purported adaptogenic properties, some users report significant gastrointestinal discomfort after consumption. Neurological symptoms such as persistent headaches or a sensation of dizziness may also occur. Individuals may experience difficulty falling or staying asleep due to its stimulating effects. Additionally, monitoring is necessary for those prone to hypertension as it can lead to increased blood pressure.
The main side effects this plant can have are shown in the list below.
- Nausea
- Digestive upset
- Insomnia
- Dizziness
- Headache
- Increased blood pressure
What herbs are paired with Schisandra glaucescens?
This plant pairs most effectively with warming or tonifying herbs such as ginger, ginseng, and cinnamon to enhance its adaptogenic properties.
These combinations are frequently used in traditional formulations to support adrenal function and manage physical fatigue. Pairing Schisandra glaucescens with licorice root can further balance its astringent qualities and soothe the digestive system. Some practitioners also combine it with Astragalus to promote overall vitality and strengthen the body's immune response.
Careful selection of these secondary herbs allows for a more targeted approach to systemic wellness.