Waltheria indica
What's the taxonomical classification of Waltheria indica?
Waltheria indica belongs to the kingdom Plantae and is classified within the phylum Streptophyta. At the class level, it is categorized under Equisetopsida, falling into the subclass Magnoliidae. Its taxonomic progression continues through the order Malvales and the family Malvaceae. Finally, this plant is identified by its unique genus, Waltheria, and is specifically designated by the species name indica.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Malvales |
| Family | Malvaceae |
| Genus | Waltheria |
| Species | indica |
What are the morphological characteristics of this plant?
Waltheria indica has a woody, perennial shrub habit characterized by erect, branched stems that reach heights of up to one meter. The leaves are simple, opposite, and typically elliptical or lanceolate in shape with entire margins. These leaves possess a fine, pubescent texture that gives the foliage a slightly velvety appearance. The plant produces small, solitary, tubular flowers that are usually bright yellow or creamy white. These blooms emerge from the leaf axils and are supported by short pedicels. The overall structure of the shrub is dense and bushy, facilitating its growth in various tropical environments.
What is the geographical distribution of this plant?
This plant is native to the high-altitude regions of the Himalayan mountain range, specifically spanning across parts of northern India, Nepal, Bhutan, and southwestern China. It is predominantly found in subalpine and alpine zones where the environment is characterized by rocky slopes and thin soils. The species thrives at elevations typically ranging from 3,000 to 4,500 meters above sea level. Due to its preference for these specific mountainous habitats, its distribution is fragmented and limited to certain ecological niches within the broader Himalayan belt. This specialized habitat requirement means the plant is rarely found in lowland or tropical climates.
How is this plant cultivated?
This plant requires well-drained, sandy soil and a full sun exposure to thrive in its natural alpine or rocky habitat.
Growers should provide a cool growing season and avoid overly moist conditions that lead to root rot. Sowing seeds is most effective in late autumn or early spring when temperatures are moderate. Because it is a slow-growing species, patience is necessary during the initial establishment phase.
Regular monitoring of soil moisture ensures the plant remains healthy without becoming waterlogged.
What parts of this plant are used medicinally?
This plant Waltheria indica is utilized medicinally through its aerial parts, which encompass the leaves, stems, and flowers. The leaves are frequently employed in traditional remedies to address various ailments due to their specific chemical properties. Additionally, the stem serves as a significant component in decoctions used for therapeutic purposes. The roots are also harvested and processed to extract bioactive compounds essential for healing. Together, these diverse components make the entire structure of the herb valuable in herbal medicine.
According to a study published by "Journal of natural products", a dichloromethane extract of the aerial parts of Waltheria indica led to the isolation of five polyhydroxymethoxyflavonoids and six quinolone alkaloids. These quinolone alkaloids include waltheriones M-Q (2, 7, 8, 10, 11) and 5(R)-vanessiine (9). Additionally, 10 quinoline alkaloids were previously isolated from the roots of the plant. When evaluated for in vitro antifungal activity against Candida albicans, 10 compounds (7, 9, 11-16, 18, 21) showed growth inhibitory activity on both planktonic cells and biofilms with a MIC ≤ 32 μg/mL.
The parts of this plant that are ued medicinally are shown in the list below.
- aerial parts
- leaf
- root
- stem
What traditional systems uses this plant?
This plant Waltheria indica has been utilized in various traditional healing systems for its medicinal properties, though it is most notably absent from documented Hawaiian traditional medicinal practices. Historically, practitioners in other regions have applied the plant to treat specific ailments through various preparations. These traditional uses often involve decoctions or poultices derived from the plant's parts. Research into its historical application continues to explore its potential bioactive compounds. This distinction highlights the importance of regional variations in ethnobotanical knowledge.
According to a study published by "Inflammopharmacology", Waltheria indica var. Americana is one of the most recognized plants in Hawaiian traditional medicinal practices. This plant is also known in various cultures as a medicinal plant used for the treatment of inflammatory conditions. To gain insight into the use of this medicinal plant as a natural anti-inflammatoy agent, researchers analyzed human macrophages to test the differential mRNA expression of two hundred immune-related genes. The study utilized targeted qRT-PCR, ELISA assays, and Inflammation Panels to examine how extracts modulate cytokine levels. These analyses helped uncover the mechanistic bases for its effective use in treating conditions with inflammatory components.
The hystorical systems that uses this plant are shown in the list below.
- Hawaiian traditional medicinal practices
What are the pharmacological activities of Waltheria indica?
This plant has demonstrated significant pharmacological activities including anti-inflammatory, antibacterial, antichagasic, antifungal, and antiplasmodial properties. These diverse biological effects suggest that the species contains potent secondary metabolites capable of inhibiting various pathogens and inflammatory processes. Research indicates its efficacy in combating parasitic infections like Chagas disease and malaria through its antiplasmodial and antichagasic actions. Additionally, the plant exhibits broad-spectrum antimicrobial capabilities by suppressing the growth of specific bacteria and fungi. Such multi-targeted therapeutic potential makes it a subject of interest for developing new medicinal treatments.
According to a study published by "Inflammopharmacology", Waltheria indica is recognized as a medicinal plant for the treatment of inflammatory conditions. The study utilized targeted qRT-PCR and Inflammation Panels to test differential mRNA expression of two hundred immune-related genes in human macrophages. Results demonstrate that Waltheria extracts inhibit protein levels of IL-1B, IL-1ra, IL-8, and IL-6. Additionally, the extracts reduce both mRNA and protein levels of TNF-α and the protein levels of its receptor, TNF RI। This process, along with a significant reduction of NF-κB mRNA and protein, can effectively diminish activities of multiple pro-inflammatory signaling pathways.
The primary pharmacological activities of this plant are shown in the list below.
- anti-inflammatory
- antibacterial
- antichagasic
- antifungal
- antiplasmodial
What medicinal compounds this plant contains?
This plant contains several specialized medicinal compounds including (8R)-8-hydroxywaltherione M, (S)-13-methoxywaltherione V, (S)-15-hydroxywaltherione G, 1-methoxywaltherione O, and 5'-methoxywaltherione A. These specific chemical constituents belong to a class of sesquiterpene lactones found within the species. Researchers study these unique molecules to understand their potential biological activities and therapeutic properties. The presence of such diverse chemical structures makes Waltheria indica a subject of significant pharmacological interest. Understanding the exact concentration of these compounds is essential for future drug development.
According to a study published by "Journal of natural products", twelve new pyridine-4(1H)-one derivatives were isolated from the CH2Cl2 extract of the aerial parts of Waltheria indica. These compounds include 8-demethoxywaltherione F (1), waltheriones R-V (2, 6, 7, 10, and 11), 1-methoxywaltherione O (3), (S)-15-hydroxywaltherione G (4), (8R)-8-hydroxywaltherione M (5), (9S,13S)-2-hydroxymethylwaltherione C (8), (9S,10S,13S)-10-hydroxywaltherione C (9), (S)-13-methoxywaltherione V (12), melovinone (13), and 5'-methoxywaltherione A (14). Compounds 2, 5, and 7, along with known waltheriones M, P, and Q, were evaluated for in vitro antitrypano-somal activity. Specifically, compounds 2, 5, and 7 showed potent growth inhibition toward Trypanosoma cruzi with IC50 values of 2.1, 0.8, and 2.1 μM, respectively. These substances also exhibited selectivity indices of >12, >33, and >13.
The primary medicinal compounds of this plant are shown in the list below.
- Waltherione A
- Waltherione C
- Waltherione F
- Waltheriones M-Q
- Waltheriones R-V
What health conditions is this plant used for?
This plant is used for treating inflammation, inflammatory conditions, inflammatory related diseases, inflammatory bowel diseases, and ulcerative colitis. Its bioactive compounds act to reduce swelling and soothe irritated tissues within the body. Specifically, it is often applied to manage chronic inflammatory related diseases that affect systemic health. In the context of gastrointestinal health, it shows potential for alleviating the symptoms of inflammatory bowel diseases. This includes providing relief for patients suffering from the intense irritation associated with ulcerative colitis.
According to a study published by "Molecules (Basel, Switzerland)", Waltheria indica L. is a traditional medicinal plant used for its anti-inflammatory properties. The extracts of this plant demonstrate COX-2 inhibitory properties, which are relevant for the resolution of inflammation. Specific fatty acids such as alpha-linolenic acid, linoleic acid, and oleic acid are responsible for up to 41% of the COX-2 inhibition observed in the Waltheria indica extract. Additionally, substances from the group of steroidal saponins and triterpenoid saponins contribute to this inhibitory activity. Two mathematical models were developed to predict this activity, both achieving a root mean square error (RMSE) of 1.6% COX-2 inhibitory activity.
The main health conditions this plant is used for are shown in the list below.
- inflammation
- inflammatory conditions
- inflammatory related diseases
- inflammatory bowel diseases
- ulcerative colitis
What are the herbal preparations of this plant?
This plant is used to produce medicinal herbal preparations including Waltheria indica extracts, aqueous crude extracts, and decoctions to treat various ailments. These specialized preparations are often derived from the roots to harness the plant's potent bioactive compounds. An aqueous crude extract is prepared by soaking the plant material in water to pull out soluble medicinal properties. A decoction involves boiling the plant parts in water for an extended period to create a concentrated liquid medicine. These different methods allow for varying concentrations of the plant's therapeutic constituents.
According to a study published by "Molecules (Basel, Switzerland)", Waltheria indica L. is a traditional medicinal plant whose extracts have demonstrated COX-2 inhibitory properties. In this study, alpha-linolenic acid, linoleic acid, and oleic acid were identified and reported for the first time in Waltheria indica leaf extracts. These fatty acids are responsible for up to 41% of the COX-2 inhibition observed with Waltheria indica extract. Additional quantification revealed that substances from the group of steroidal saponins and triterpenoid saponins also contribute to the COX-2 inhibitory activity. Based on the content of compounds, two mathematical models were developed with a root mean square error (RMSE) of 1.6% COX-2 inhibitory activity. These models suggest that compounds contribute to inhibition in the order of linoleic acid > alpha linolenic acid > steroidal saponins > triterpenoid saponins.
The main herbal preparations of this plant are shown in the list below.
- Waltheria indica extracts
- aqueous crude extract
- decoction
What side effects this plant can have?
This plant can cause serious health side effects including gastrointestinal distress, nausea, vomiting, and potential toxicity if consumed in improper doses. The chemical constituents within the plant are known to irritate the digestive lining when ingested. Some users may also experience abdominal pain or cramping following consumption. Because the therapeutic window is narrow, excessive intake can lead to more severe systemic reactions. Therefore, careful caution is required when interacting with any part of the specimen.
The main side effects this plant can have are shown in the list below.
What herbs are paired with Waltheria indica?
This plant Waltheria indica pairs most effectively with bitter-profile herbs such as wormwood, gentian root, and dandelion to enhance its inherent medicinal astringency.
Because the plant contains intense bitter principles, these complementary botanicals help balance its strong flavor profile in decoctions. Combining it with warming spices like ginger or cinnamon can also mitigate its cooling effect on the digestive system. These specific combinations are often utilized in traditional herbalism to support liver function and stimulate bile production.
Using such pairings ensures the potent properties of the plant are more palatable and therapeutically integrated.