Clinacanthus nutans
What's the taxonomical classification of Clinacanthus nutans?
Clinacanthus nutans belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida and the subclass Magnoliidae, this plant is organized under the order Lamiales. It is a member of the family Acanthaceae, falling specifically into the genus Clinacanthus, with its unique biological identity defined by the species nutans.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Lamiales |
| Family | Acanthaceae |
| Genus | Clinacanthus |
| Species | nutans |
What are the morphological characteristics of this plant?
Clinacanthus nutans has a woody, perennial habit characterized by upright, branching stems that produce nodding, bell-shaped flowers. The foliage consists of lanceolate to ovate leaves with serrated margins that are arranged oppositely along the stems. Its most distinctive feature is the pendulous corolla, which hangs downward to protect the reproductive organs from environmental elements. The flowers typically exhibit a tubular structure that transitions into spreading lobes at the mouth. Small, bristly hairs often cover the stems and calyx, providing a textured surface to the plant.
What is the geographical distribution of this plant?
This plant is native to the southeastern United States, specifically concentrated in states like Alabama, Georgia, Mississippi, and South Carolina. It typically inhabits moist, shaded environments such as bottomland forests and riparian zones near stream banks. Within these habitats, it favors rich, loamy soils that maintain consistent moisture levels throughout the growing season. The species is often found in well-established woodland communities where organic matter is abundant. Its distribution remains relatively localized due to its reliance on specific hydrological conditions.
How is this plant cultivated?
This plant requires well-draining, slightly acidic soil and a location that provides bright, indirect sunlight to thrive.
You should maintain consistent moisture levels without allowing the roots to sit in stagnant water. Regular watering is essential, especially during the active growing seasons of spring and summer. Providing organic compost or a balanced liquid fertilizer will support healthy foliage and eventual flowering.
Proper air circulation in the planting area helps prevent fungal issues on the leaves.
What parts of this plant are used medicinally?
This plant Clinacanthus nutans is utilized medicinally through its aerial parts, which encompass the leaves, stems, and bark. The leaves are frequently harvested to prepare infusions or extracts for their therapeutic properties. Within the aerial portion, the stem also provides essential compounds used in traditional remedies. Additionally, the bark stripped from the woody sections contains bioactive constituents important to its medicinal use. While the root is a component of the plant, it is the above-ground structures that are most commonly employed in healing practices.
According to a study published by "Natural product research", the ethanol extract of the aerial part of Clinacanthus nutans was used to isolate one new furofuran lignan 2-methoxy-9β-hydroxydiasesamin (1) and four analogues (2-5). This study also isolated eight alkaloids (6-13) from the plant. For the first time, lignans were reported to be isolated from Clinacanthus nutans. Compound 1 exhibited modest activity against 3 human tumor cell lines, specifically Hela, MCF-7, and A549. The IC50 values for these cell lines were 68.55, 60.00, and 59.17 μM, respectively.
The parts of this plant that are ued medicinally are shown in the list below.
- aerial part
- bark
- leaf
- root
- stem
What traditional systems uses this plant?
This plant Clinacanthus nutans has been utilized within various Asian Traditional Medicine practices to treat various ailments such as skin infections and inflammatory conditions. Practitioners historically employed different parts of the plant, including the leaves and stems, to prepare medicinal decoctions or topical applications. In certain regional customs, the plant served as a remedy for digestive issues and respiratory discomfort. These historical uses often relied on the plant's perceived antimicrobial and healing properties. Such traditional knowledge forms a significant part of the ethnobotanical history of the species in its native habitats.
According to a study published by "Journal of ethnopharmacology", Clinacanthus nutans (Burm. f.) Lindau was one of seven locally grown medicinal plant species evaluated for anti-proliferative activity. The research involved evaluating fresh, healthy and mature leaves harvested from various locations in Singapore and Malaysia. These leaves were used to create 37 fresh leaf extracts from seven medicinal plants through Soxhleth, ultrasonication and maceration extractions in 3 different solvents, which were water, ethanol and methanol. This plant was included in a study that tested activities against 12 human cancer cell lines derived from breast, cervical, colon, leukemia, liver, ovarian and uterine cancer. The investigation was based on a careful review of fresh medicinal plant usage to treat cancer from previous ethnobotanical interviews in Singapore and from the traditional uses of the indigenous plants.
The hystorical systems that uses this plant are shown in the list below.
- Asian Traditional Medicine
What are the pharmacological activities of Clinacanthus nutans?
This plant has antibacterial, antifungal, anti-inflammatory, antioxidant, and antimicrobial pharmacological activities. Its phytochemical composition allows it to effectively inhibit the growth of various pathogenic microorganisms. The presence of specific bioactive compounds also helps neutralize free radicals to prevent oxidative stress in cells. Furthermore, the plant exhibits significant properties that can reduce swelling and manage inflammatory responses. These diverse therapeutic capabilities make it a subject of interest for natural medicine research.
According to a study published by "Plants (Basel, Switzerland)", the ethanolic extracts of Clinacanthus nutans were evaluated for their pharmacological activities. These extracts were able to inhibit the gtfD and gbp genes, which facilitate biofilm formation and bacterial adherence to surfaces. The study also examined the antibacterial and antioxidant properties of extracts from the Acanthaceae family. These findings suggest that such activities could enhance clinical and pharmaceutical applications as an alternative therapy for bacterial infections or a dietary supplement.
The primary pharmacological activities of this plant are shown in the list below.
- analgesiic
- anti-inflammatory
- antioxidant
- antimicrobial
- antiviral
What medicinal compounds this plant contains?
This plant contains the medicinal compounds clinamide D, isoorientin, isovitexin, shaftoside, and schaftoside. These specific bioactive molecules belong to the flavonoid and flavone glycoside groups. Researchers study these constituents to understand their potential therapeutic properties in various biological systems. The presence of these phytochemicals contributes to the overall pharmacological profile of the species. Detailed chemical analysis helps identify how these individual substances interact with human physiology.
According to a study published by "Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association", Clinacanthus nutans contains sulphur-containing compounds that display anticancer effects. From the six fractions collected via chromatography, the compounds entadamide C (1) and clinamide D (2) were isolated. Molecular docking simulation studies showed that entadamide C could bind to the caspase-3 binding site with a binding energy of -4.28 kcal/mol. Additionally, clinamide D exhibited a binding energy of -4.84 kcal/mol at the same site. These findings provide empirical evidence regarding the medicinal compounds found in the leaves of Clinacanthus nutans.
The primary medicinal compounds of this plant are shown in the list below.
- clinamide D
- isoorientin
- isovitexin
- schaftoside
- shaftoside
What health conditions is this plant used for?
This plant is used for treating herpes simplex virus, skin inflammation, viral infections, inflammation, and wound healing. The medicinal properties of Clinacanthus nutans help to suppress various viral infections when applied topically. Its anti-inflammatory effects are particularly effective at reducing redness and swelling associated with skin inflammation. Additionally, the plant aids in the process of wound healing by promoting skin regeneration. These diverse therapeutic applications make it a significant resource in traditional herbal medicine.
According to a study published by "International immunopharmacology", Clinacanthus nutans has documented therapeutic potentials including antiviral activity against Herpes Simplex Virus (HSV), anti-cancer, anti-oxidant, anti-inflammatory and immunomodulatory activities. The study isolated 4 compounds from the hexane fractions of the leaves, identified as shaftoside (CN1), stigmasterol (CN2), β-sitosterol (CN3) and a triterpenoid lupeol (CN4). Among these, stigmasterol (CN2) and β-sitosterol (CN3) were shown to inhibit T cell proliferation mediated by Concanavalin A (ConA). Only β-sitosterol (CN3) blocks the secretion of Th2 cytokines, specifically IL-4 and IL-10, while having no effect on Th1 cytokines IL-2 and IFN-γ. Additionally, CN3 significantly reduces the proliferation of both T helper cells (CD4+CD25+) and cytotoxic T cells (CD8+CD25+) following T cell activation induced by ConA.
The main health conditions this plant is used for are shown in the list below.
- Herpes simplex virus
- Skin inflammation
- Viral infections
- Inflammation
- Cancer
What are the herbal preparations of this plant?
This plant is used to create diverse medicinal preparations including a 95% ethanolic leaf extract, C. nutans cream, herbal tea, various leaves extracts, and an n-hexane fraction. The 95% ethanolic leaf extract serves as a potent concentrated form for studying bioactive compounds. Researchers also utilize the n-hexane fraction to isolate non-polar constituents from the plant material. For topical applications, C. nutans cream provides a specialized delivery method for its medicinal properties. Additionally, the leaves extracts can be steeped to produce a traditional herbal tea for internal consumption.
According to a study published by "Evidence-based complementary and alternative medicine : eCAM", Clinacanthus nutans is a medicinal plant with potent anti-inflamatory and antiviral effects. This plant is used in a cream form that is widely used in Thailand to treat the herpes simplex virus. In a randomized controlled trial conducted between January 2018 and December 2019, researchers studied its use for condyloma acuminata. The study involved 10 men between the ages of 24 to 72 years old. Results showed an 82% CA clearance with Clinacanthus nutans.
The main herbal preparations of this plant are shown in the list below.
- 95% ethanolic leaf extract
- C. nutans cream
- herbal tea
- leaves extracts
- n-hexane fraction
What side effects this plant can have?
This plant can cause immunosuppressive activity, lesions caused by herpes simplex virus, and skin rashes in humans. The reduction in immune system effectiveness may allow latent infections to reactivate more easily. This reactivation can lead to the development of painful lesions caused by herpes simplex virus. Additionally, topical or systemic exposure has been linked to the appearance of various skin rashes. These adverse reactions highlight the potential toxicity associated with consuming or handling the species.
According to a study published by "Asian Pacific journal of tropical medicine", Clinacanthus nutans is utilized in Malaysia, Indonesia, Thailand and China for treating various conditions. Phytochemical investigations have documented bioactive compounds including flavonoids, glycosides, glycoglycerolipid, cerebrosides and monoacylmonogalatosylglycerol. Pharmacological experiments demonstrated that extracts and pure compounds from this species exhibit anti-inflammatory, antiviral, antioxidant, and anti-diabetic activities. Findings from a toxicity study showed that extracts from this plant did not show any toxicity. Consequently, the plant can be used as strong therapeutic agents for specific diseased conditions.
The main side effects this plant can have are shown in the list below.
- immunosuprssive activity
- lesions caused by herpes simplex virus
- skin rashes
What herbs are paired with Clinacanthus nutans?
This plant, commonly known as nodding clinacanthus, pairs effectively with aromatic herbs like peppermint, lemon balm, and lavender to enhance its subtle floral notes.
When used in culinary or medicinal infusions, these companions help balance its specific chemical profile. Pairing it with woody herbs such as rosemary can provide a grounding contrast to its lighter scent. Integrating these combinations allows for a more complex sensory experience in teas or essential oil blends.
These specific botanical synergies are often utilized to create harmonious wellness tonics.