Leonurus sibiricus
What's the taxonomical classification of Leonurus sibiricus?
Leonurus sibiricus belongs to the kingdom Plantae and is classified within the phylum Streptophyta. It is categorized under the class Equisetopsida and the subclass Magnoliidae, placing it within the order Lamiales. Further taxonomic refinement places the plant in the family Lamiaceae, where it is represented by the genus Leonurus. Finally, the specific classification is completed by its species name, sibiricus.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Leonurus |
| Species | sibiricus |
What are the morphological characteristics of this plant?
Leonurus sibiricus has an erect, perennial herbaceous habit characterized by square stems that typically reach heights of 30 to 80 centimeters. The leaves are arranged in opposite pairs along the stem and possess a serrated margin with an ovate to lanceolate shape. Its small, bilabiate flowers are predominantly light purple or pink and emerge from verticillasters located in the leaf axils. The plant produces small, nut-like fruits that develop after the flowering period concludes. Dense hairs often cover the stems and leaf surfaces, contributing to its tactile texture.
What is the geographical distribution of this plant?
This plant is native to a broad range across central and eastern Asia, specifically spanning from Mongolia and Siberia through northern China and into parts of the Russian Far East. It thrives primarily in temperate climates where it can inhabit various landscapes such as steppes, forest edges, and rocky slopes. Within these regions, the species is frequently found in open areas that receive ample sunlight. Its distribution patterns are closely tied to the continental climates of the Eurasian landmass. Localized populations can also be observed in specific mountainous terrains throughout its natural range.
How is this plant cultivated?
This plant requires well-drained, fertile soil and full sunlight to achieve optimal growth in temperate climates.
It is typically propagated through seeds sown in early spring or by dividing established clumps in the fall. Because it is a hardy perennial, it can tolerate various soil types as long as moisture does not accumulate excessively around the roots. Regular watering is necessary during dry periods to maintain its vigorous leafy structure.
Once mature, the plant becomes quite resilient and can thrive with minimal intervention from the gardener.
What parts of this plant are used medicinally?
This plant Leonurus sibiricus is used medicinally through its aerial parts, which specifically include the leaves and flowers, as well as its roots. The aerial parts are frequently harvested to prepare infusions or decoctions aimed at treating various ailments. The flowers contain active compounds that contribute to the plant's overall therapeutic profile. Additionally, the leaves are often utilized in traditional remedies for their calming properties. The roots are also employed in medicinal applications to address specific health concerns.
According to a study published by "Journal of ethnopharmacology", the aerial parts of Leonurus sibiricus are used medicinally for various purposes, including stomach disorders. The ethanol extract of these aerial parts (EELs) was tested at doses of 50, 100, and 300 mg/kg via oral administration 1 hour before induction. Pretreatment with EEIs at 300 mg/kg reduced the relative area of gastric ulcers (p < 0.01) and lipoperoxidation (p < 0.001) while increasing sulfhydryl content (p < 0.01) in the stomach. At 300 mg/kg, the extract also reduced mucus production (p < 0.001) and the volume of gastric secretion (p < 0.001) in the pylorus ligation model. The gastroprotective response caused by 300 mg/kg of EEIs was inhibited by 10 mg/kg of N-ethylmaleimide or 10 mg/kg of gliadenclamide (p < 0.001).
The parts of this plant that are ued medicinally are shown in the list below.
- aerial parts
- flower
- leaf
- root
What traditional systems uses this plant?
This plant Leonurus sibiricus has been used in Traditional Chinese Medicine to treat various conditions including gynecological disorders, blood stagnation, and menstrual irregularities. Practitioners historically utilized the herb to promote blood circulation and alleviate pain associated with uterine contractions. In addition to its role in Chinese practices, the plant has been employed in other regional folk medicines to manage inflammation and digestive issues. Its chemical properties were traditionally believed to balance internal energies and support reproductive health. These historical applications reflect a long-standing reliance on the plant's bioactive compounds for systemic wellness.
According to a study published by "Vox sanguinis", Leonurus sibiricus L. was found to have high levels of Lewis a (Lea)-like determinants. The water-soluble extracts of this plant specifically inhibited hemagglutination, hemolysis, and lymphocyte cytotoxicity directed against Lea. These extracts did not inhibit Leb nor other specificities resulting from the interaction of Lewis, Secretor, and ABO systems such as A1Leb and A1Led. The activity was nondialyzable, resistant to boiling and proteolytic enzymes, but was destroyed by periodate. It was surprising that an Lea substance, previously found in human secretions, was also present in flower abstracts.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Chinese Medicine
What are the pharmacological activities of Leonurus sibiricus?
This plant has anti-cancer, anti-inflammatory, antioxidant, antiproliferative, and antitumor pharmacological activities. Its diverse chemical constituents allow it to neutralize free radicals and reduce oxidative stress within biological systems. By inhibiting the uncontrolled growth of abnormal cells, the plant demonstrates significant antiproliferative properties. These mechanisms directly contribute to its potential as an effective antitumor and anti-cancer agent. Additionally, its ability to modulate immune responses provides essential anti-inflammatory benefits.
According to a study published by "Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine", Leonurus sibiricus L. exhibits anti-cancer activity through the use of transformed root (TR) and non-transformed root (NR) extracts. These extracts contain polyphenolic compounds including chlorogenic acid, ferulic acid, caffeic acid, p-coumaric acid, ellagic acid, and verbascoside. Treatment with NR and TR extracts results in significant cell growth inhibition, S- and G2/M-phase cell cycle arrest, and dose-dependent apoptosis. This apoptotic activity is achieved by changing the Bax/Bcl-2 ratio with an about 4-fold increase and a 5-fold increase in p53 activation. These findings confirm that the root extracts of Leonurus sibiricus L. possess cytotoxic activity against malignant glioma cells.
The primary pharmacological activities of this plant are shown in the list below.
- anti-inflammatory
- antioxidant
- antiproliferative
- antitumoor
- cytotoxic
What medicinal compounds this plant contains?
This plant contains the alkaloid leonurine along with several distinct diterpenoids known as Sibiricinone D, Sibiricinone E, sibiricusin O, and the group of compounds labeled sibiricusins K-U. These bioactive constituents are primarily responsible for the pharmacological properties observed in the species. Researchers have focused on these specific molecules to understand how the plant interacts with biological systems. The structural diversity of these compounds provides a foundation for further medicinal study. Identifying these chemical markers is essential for validating the traditional uses of the plant.
According to a study published by "Molecular plant", Leonurus sibiricus is characterized by very limited leonurine production. This plant belongs to the Leonurus genus, which stands out for its alkaloid-rich composition. Leonurine is the principal active compound found in Leonurus and has demonstrated promising effects in reducing blood lipids and treating strokes. The study utilized genomics, RNA sequencing, metabolomics, and enzyme activity assay data to explore these components. The research specifically identified the arginine decarboxylase (ADC), uridine diphosphate glucosyltransferase (UGT), and serine carboxypeptidase-like (SCPL) acyltransferase enzymes involved in the biosynthetic pathway.
The primary medicinal compounds of this plant are shown in the list below.
- leonurine
- Sibiricinone D
- Sibiricinone E
- sibiricusins K-U
- sibiricusin O
What health conditions is this plant used for?
This plant is used for treating bronchial asthma, obstruction lung diseases, stomach disorders, gastric ulcers, and gastric damage. Its medicinal properties are often applied to alleviate respiratory distress by opening airways. Additionally, the plant serves as a remedy for various digestive issues related to the stomach lining. It helps in healing damaged tissue caused by ulcers to restore gastrointestinal health. These diverse applications make it a significant component in traditional herbal medicine.
According to a study published by "Clinical and experimental immunology", Leonurus sibiricus root extracts are used to address airway remodeling markers in fibroblasts associated with bronchial asthma and other obstructive lung diseases. The study evaluated extracts from transformed L. sibiricus roots and roots with AtPAP1 overexpression using 2 fibroblast cell lines, specifically WI-38 and HFL1. The AtPAP1 TR extract decreased arginase I and MMP-9 expression, while also inhibiting HRV16-induced expression of arginase I, MMP-9, and TGF-β in both cell lines with a P < 0.05. This extract showed no effect on the mRNA expression of TIMP-1 or TGF-β. The research suggests the plant's effect on the remodeling process is attributed to an increased amount of phenolic acids like chlorogenic, caffeic, or ferulic acid.
The main health conditions this plant is used for are shown in the list below.
- Bronchial asthma
- cardiovascular diseases
- high blood lipids
- stomach disorders
- obstruction lung diseases
What are the herbal preparations of this plant?
This plant is Leonurus sibiricus, which is utilized in the production of medicinal herbal preparations including acetone extract and aqueous extracts. These specific preparations are processed to isolate various bioactive compounds for therapeutic use. The acetone extract is often used to concentrate lipophilic constituents that possess distinct biological activities. Conversely, aqueous extracts are prepared by soaking the plant material in water to capture water-soluble phytochemicals. Researchers study these different methods to determine which preparation best serves specific medicinal purposes.
According to a study published by "Journal of natural medicines", four new diterpenoids (1-4) and eight known diterpenoids (5-12) were isolated from the acetone extract of the aerial parts of Leonurus sibiricus L. Among these isolated compounds, compounds 2, 3, 8, 9 and 10 demonstrated inhibitory activity against human liver cytosol estrogen sulfotransferase (E-ST). Compound 2 exhibited the strongest inhibitory activity with an IC50 value of 7.9 μM. This level of activity is comparable to the positive control, meclofenamic acid, which had an IC50 of 5.4 μM.
The main herbal preparations of this plant are shown in the list below.
- acetone extract
- aqueous extracts
What side effects this plant can have?
This plant can cause serious health issues such as hepatitis and jaundice due to its potential to trigger liver dysfunction. While it is studied for its anti-inflammatory activity, these beneficial properties are balanced by significant risks of toxicity. Research indicates that the plant can exert a cytotoxic effect on specific cell types within the body. These toxicities can lead to organ damage if the plant is consumed in improper doses. Consequently, the physiological impact of Leonurus sibiricus remains a complex concern for medical safety.
According to a study published by "Gastroenterologie clinique et biologique", 26 patients developed acute hepatitis after taking Leonurus sibiricus as an herbal medicine for weight loss. This hepatitis occurred within 9 weeks of treatment and was characterized by jaundice and high levels of aminotransferases. Recovery was achieved between 1.5 and 6 months after the withdrawal of the plant. In 12 cases, the readministration of Leonurus sibiricus resulted in a prompt recurrence of the hepatitis. Due to these findings, the French Ministry of Health decided to prohibit all medicinal products containing Leonurus sibiricus nationwide.
The main side effects this plant can have are shown in the list below.
- hepatitis
- jaundice
- cytotoxic effect
- anti-inflammatory activity
What herbs are paired with Leonurus sibiricus?
This plant Leonurus sibiricus is most effectively paired with herbs like peppermint, lemon balm, and ginger to enhance its calming properties and mask its bitter taste.
Combining it with peppermint can help soothe digestive discomfort while providing a refreshing aromatic profile. Using lemon balm in a blend complements the plant's sedative effects, making it ideal for relaxation teas. Adding ginger provides a warming sensation that balances the herbal bitterness of the leaves.
These specific combinations are often utilized in traditional preparations to create a more palatable and therapeutic tonic.