Justicia procumbens

What's the taxonomical classification of Justicia procumbens?

Justicia procumbens belongs to the kingdom Plantae and is classified within the phylum Streptophyta. At the class level, it is categorized as Equisetopsida, falling under the subclass Magnoliidae. The plant is further organized into the order Lamiales and is a member of the family Acanthaceae. Within this family, it is placed in the genus Justicia, and its specific biological identity is defined by its species name, procumbens.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Lamiales
Family Acanthaceae
Genus Justicia
Species procumbens
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Justicia procumbens has a prostrate or decumbent growth habit characterized by slender, square-shaped stems that often root at the nodes. The leaves are oppositely arranged, simple, and typically possess an ovate to lanceolate shape with entire or slightly serrated margins. Small, tubular flowers emerge from the leaf axils and are usually white or pale pink with distinct purple spots on the lower lip. The plant produces small, dehiscent capsules that contain numerous tiny seeds following successful pollination. This herbaceous species generally remains low to the ground, forming spreading mats in shaded or moist environments.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the tropical and subtropical regions of the Americas, spanning from the southeastern United States through Central America and deep into South America. It is frequently documented in countries such as Brazil, Colombia, and various nations within the Caribbean basin. Due to its resilient nature, the species has expanded its range into many disturbed habitats and agricultural areas across these warm climates. The distribution follows a pattern consistent with moisture-rich environments where temperatures remain consistently high. This widespread presence allows it to thrive in diverse ecosystems ranging from coastal plains to inland tropical forests.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant grows best in well-draining, loamy soil under full sun to partial shade conditions with consistent moisture.

It is a low-growing perennial that spreads easily via creeping stems to form dense groundcover. Seedlings require careful attention to prevent drying out during their initial establishment phase. Once mature, the plant is highly resilient and can withstand various soil types as long as they are not waterlogged.

Regular maintenance involves minimal weeding and occasional thinning to manage its spreading habit.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant Justicia procumbens is utilized medicinally through its leaves, the entire herb, and the dried plants. The leaves are frequently prepared into infusions or topical applications to treat various ailments. Practitioners often use the whole plant to create potent decoctions for systemic health support. Once the vegetation is harvested, the dried plants are stored for long-term medicinal use in traditional remedies. These various forms allow for flexible administration depending on the specific therapeutic need.

According to a study published by "Journal of separation science", the herb Justicia procumbens contains arylnaphthalene lignans such as justicidin B and 6'-hydroxy justicidin C. These compounds have attracted interest due to their antineoplastic activities. Plasma samples were analyzed after the oral administration of the active extract of Justicia procumbens in rats. The lower limit of quantification for justicidin B and 6'-hydroxy justicidin C was 0.50 and 1.00 ng/mL in 50 μL rat plasma, respectively. For justicidin B, the elimination half-life and clearance were estimated to be 1.27 ± 0.61 h and 5.40 ± 0.22 L/h/kg. In comparison, 6'-hydroxy justicidin C showed an elimination half-life of 2.07 ± 0.70 h and a clearance of 11.84 ± 1.06 L/h/kg.

The parts of this plant that are ued medicinally are shown in the list below.

  • herb
  • leaf
  • whole plant
  • dried plants
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant Justicia procumbens has been utilized across various traditional medicine systems for its purported anti-inflammatory, antimicrobial, and diuretic properties. In Traditional Chinese Medicine, it is often employed to clear heat and resolve toxicity within the body. Other historical practices in Southeast Asian and South American folk medicine involve using decoctions of the leaves to treat skin infections and gastrointestinal ailments. Practitioners frequently prepare these herbal remedies through boiling the plant material to create medicinal teas or topical washes. These diverse applications highlight the plant's long-standing importance in regional healing traditions.

According to a study published by "Frontiers in pharmacology", Justicia procumbens is a traditional Chinese herbal medicine. This plant was used for the treatment of fever, pain, and cancer. A specific compound named 6'-hydroxy justicidin B (HJB) was isolated from Justicia procumbens. This isolated compound exhibits promising biological properties.

The hystorical systems that uses this plant are shown in the list below.

  • Traditional Chinese Medicine
Evidence Level: ★★★☆☆

What are the pharmacological activities of Justicia procumbens?

This plant has analgesic, anti-inflammatory, anti-cancer, antioxidant, and antipyretic pharmacological activities that make it a significant subject of ethnopharmacological research. Its antioxidant properties help neutralize free radicals, thereby protecting cells from oxidative stress and damage. The plant also demonstrates potent anti-inflammatory and analgesic effects, which can be utilized to manage pain and reduce swelling. Additionally, its antipyretic capabilities allow it to effectively reduce fever in various biological models. Emerging studies are further investigating its potential anti-cancer activities to determine how it might inhibit tumor growth.

According to a study published by "Journal of ethnopharmacology", Justicia procumbens is a traditional herbal remedy used to treat fever, pain, and cancer. A new compound isolated from the plant, 6'-hydroxy justicidin A (JR6), shows obvious anti-cancer effects by inhibiting growth in human bladder cancer EJ cells. This compound reduces SOD activity, increases the content of reactive oxygen species (ROS), and disrupts the mitochondrial membrane potential (Δψm). The study found that JR6 induces apoptosis through a caspase-dependent pathway involving the activation of caspase-3, caspase-8, and caspase-9. Furthermore, the treatment unregulates the expressions of Bax and p53 in EJ cells.

The primary pharmacological activities of this plant are shown in the list below.

  • anti-inflammatory
  • analgesic
  • anti-cancer
  • anti-oxidant
  • anti-pyretic
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains the medicinal compounds justiciidin A, justiciidin B, justiciidin C, procumbenoside A, and procumbenoside C. These specific phytochemicals are responsible for many of the biological activities attributed to the species. Researchers have identified these alkaloids and glycosides as key components in its traditional therapeutic uses. The presence of these diverse chemical structures contributes to the plant's complex pharmacological profile. Studying these individual molecules helps scientists understand how the plant interacts with human physiological systems.

According to a study published by "Journal of natural products", 12 compounds were isolated from the whole plant of Justicia procumbens. These included a new lignan glycoside named procumbenoside A, which is identified as 4-O-alpha-L-arabinopyranosyl-(1' "-->2' ')-beta-D-apiofuranosyldiphylliin (2), and 11 known compounds. Among the known compounds were justicidin A (1), diphyllin (3), and tuberculatin (4). The compounds justicidin A (1), diphyllin (3), and tuberculatin (4) showed potent cytotoxic effects against a number of cancer cells in vitro. Additionally, compounds 1 and 4 strongly enhanced tumor-necrosis factor-alpha (TNF-alpha) generation from mouse macrophage-like RAW 264.7 cells stimulated with lipopolysaccharide (LPS).

The primary medicinal compounds of this plant are shown in the list below.

  • justicidin A
  • justicidin B
  • justicidin C
  • procumbenoside A
  • procumbenoside C
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for treating blood stasis syndrome, colds with fever, fever, jaundice, and swollen and sore throat. It is frequently utilized in traditional medicine to promote circulation and clear stagnation in the blood. When patients suffer from febrile illnesses, the herb helps to reduce body temperature and alleviate symptoms. Its properties are also applied to address hepatic issues related to jaundice. Additionally, it provides relief for inflammatory conditions such as a swollen and sore throat.

According to a study published by "Molecules (Basel, Switzerland)", Justicia procumbens has been traditionally used to treat colds with fever, swollen and sore throat, jaundice, malaria and eczema. Systematic phytochemical investigations of the plant identified a total of 132 compounds. These constituents include 54 lignans, 19 flavonoids, 31 organic acids, 18 alkaloids, and 10 other types of constituents. Within this group, 77 compounds are reported for the first time in Justicia procumbens, including 14 potential novel compounds.

The main health conditions this plant is used for are shown in the list below.

  • blood staisis syndrome
  • diseases associated with blood staesis
  • fever
  • jaundiice
  • malaria
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is used to create medicinal herbal preparations including EtOH extract, Jian-er syrup, decoction, and leaf extracts. Researchers often utilize an EtOH extract to concentrate the bioactive compounds found within the plant tissues. Practitioners may also prepare a decoction by boiling the plant material in water to release its soluble properties. For specific pediatric or traditional applications, Jian-er syrup serves as a specialized liquid formulation. Additionally, concentrated leaf extracts provide a direct way to study the botanical's chemical profile.

According to a study published by "Journal of natural products", the fractionation of the EtOH extract of Justicia procumbens guided by antiplatelet bioassay led to the isolation of 10 compounds. These included nine known arylnaphthalide lignans identified as neojusticin A (1), justicidin B (2), justicidin A (3), taiwanin E methyl ether (4), neojusticin B (5), chinensinaphthol methyl ether (6), taiwanin E (8), chinensinaphthol (9), and diphyllin (10). The process also identified a new arylnaphthalide lignan characterized as 4'-demethylchinensinaphthol methyl ether (7). Within these findings, compounds 1, 2, 4, and 8 were shown to significantly inhibit platelet aggregation.

The main herbal preparations of this plant are shown in the list below.

  • EtOH extract
  • Jian-er syrup
  • decoction
  • leaf extracts
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause serious health complications including potential carcinogenic effects and the development of cancer. While some traditional practices use Justicia procumbens for various ailments, insufficient clinical research makes its long-term safety profile uncertain. Some studies suggest that certain chemical compounds within the plant may interact negatively with cellular DNA. There is also a risk of toxicity if the plant is consumed in incorrect dosages or without professional medical supervision. Therefore, individuals should exercise extreme caution when considering its use due to these unverified biological risks.

According to a study published by "Chemistry Central journal", Justicia procumbens has long been used in traditional Chinese medicine for cancer. The ethyl acetate extract of Justicia procumbens demonstrated cytotoxic activity through the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. HPLC-DAD-ESI-QTOF-MS analysis confirmed the presence of 11 dibenzylbutanes and 4 arylnaphthalenes. The study isolated a novel dibenzylbutane and 7 isomers of arylnaphthalene while determining the content of 6 lignans. These chemical constituents support the traditional use of the plant and may be developed as novel therapeutics.

The main side effects this plant can have are shown in the list below.

  • cancer
Evidence Level: ★★★☆☆

What herbs are paired with Justicia procumbens?

This plant, Justicia procumbens, is frequently paired with herbs like ginger, turmeric, and licorice to enhance its traditional uses in managing inflammation and digestive issues.

Combining it with warming spices like ginger helps to stimulate circulation and improve the bioavailability of its active compounds. Many practitioners also blend it with bitter herbs such as dandelion root to support liver detoxification processes. Adding honey or peppermint can also be beneficial for masking the earthy flavor profiles often found in these herbal decoctions.

These strategic combinations allow for a more balanced approach to holistic wellness.

Evidence Level: ★☆☆☆☆