Urena lobata

What's the taxonomical classification of Urena lobata?

Urena lobata belongs to the kingdom Plantae and is classified within the phylum Streptophyta. As a member of the class Equisetopsida and the subclass Magnoliidae, it falls under the order Malvales. The plant is further categorized into the family Malvaceae, which places it within the genus Urena, and is specifically identified by its species name, lobata.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Malvales
Family Malvaceae
Genus Urena
Species lobata
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Urena lobata has an erect, perennial herb structure characterized by opposite, ovate to heart-shaped leaves that possess serrated margins and a stinging, hairy texture. The stems are often woody at the base and covered in fine, irritating trichomes that can cause skin irritation upon contact. Its inflorescence consists of dense, globose, greenish flower clusters that emerge from the leaf axils. These small, inconspicuous flowers eventually produce tiny, fleshy fruits that are typically dark in color when mature. The plant's overall morphology is adapted for rapid growth in moist, tropical environments.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to tropical and subtropical regions of Africa, Asia, and the Pacific Islands. It thrives in warm climates where humidity is high and seasonal rainfall is consistent. Throughout its expanded range, it is commonly found in disturbed soils, forest edges, and along riverbanks. Many populations have become naturalized in other tropical areas due to its ability to spread easily in various environments. Its distribution is closely linked to areas that avoid prolonged freezing temperatures.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant, Urena lobata, is cultivated by sowing seeds in moist, well-draining soil within tropical or subtropical environments that provide ample sunlight and consistent warmth.

Growers typically plant the seeds directly into the ground or in containers once the soil temperature remains steady. Because it is a creeping perennial, it requires regular watering to maintain high humidity levels around its root zone. Providing organic mulch can help retain moisture and suppress weeds during the early stages of growth.

Frequent monitoring for pests and ensuring the soil does not become waterlogged are essential steps for a healthy harvest.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant Urena lobata is used medicinally primarily through its leaves, which are applied or ingested to treat various ailments. These leaves are often crushed into a paste and applied topically to soothe skin irritations or reduce swelling. In some traditional practices, decoctions made from the foliage are consumed to address internal issues like fever or digestive discomfort. The medicinal properties are concentrated within the leaf tissue, making it the most vital part for therapeutic use. This specific application highlights the plant's importance in folk medicine for managing localized inflammation.

According to a study published by "International journal of molecular sciences", the leaves of Urena lobata have been utilized as a traditional medicinal plant in India and China. An 80% ethanol extract from the leaves of Urena lobata showed effective anti-yeast activity against Saccharomyces cerevisiae strains. The isolated compound clematoside-S exhibits specific anti-yeast activity against these strains with diameter of inhibition zones in the range from 11 to 20 mm. The MIC values of clematoside-S against S. cerevisiae strains were detected to be in the range of 0.61 to 9.8 μg/mL. Additionally, the MBC values for this compound were found to be in the range of 2.42 to 9.8 μg/mL.

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

  • leaves
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant Urena lobata is used extensively in Traditional African Medicine to treat various ailments such as skin infections, stomach pains, and inflammatory conditions. Practitioners often prepare decoctions from the leaves or roots to alleviate internal discomfort and promote healing. In many rural communities, the plant serves as a vital resource for managing fever and boosting general vitality. The historical application of this species also includes topical applications to soothe wounds and reduce swelling. Its deep-rooted presence in local pharmacopeias highlights its long-standing importance in indigenous healing practices.

According to a study published by "Journal of ethnopharmacology", Urena lobata is used in Cameroonian traditional medicine for the treatment of bone diseases and fracture repair. In the study, ethanolic extracts of this plant were administered orally at doses of 250, 500 and 750mg/kg. The treatment was applied to adult female Sprague-Dawley rats that had a drill hole injury of 0.8mm in the femur diaphysis. Following 12 days of treatment, the femur bones were collected to evaluate the effects of the plant.

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

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

What are the pharmacological activities of Urena lobata?

This plant has significant antimicrobial and anti-yeast pharmacological activities that allow it to combat various pathogenic microorganisms. Researchers have identified that its extracts can effectively inhibit the growth of several fungal species, demonstrating potent anti-yeast properties. Furthermore, the plant demonstrates broad-spectrum antimicrobial capabilities against both Gram-positive and Gram-negative bacteria. These biological effects are largely attributed to the presence of specific secondary metabolites within its chemical profile. Such medicinal properties suggest that Urena lobata could serve as a valuable natural source for developing new therapeutic agents.

According to a study published by "International journal of molecular sciences", the 80% ethanol extract from Urena lobata leaves showed effective anti-yeast activity against Saccharomyces cerevisiae strains. The plant yielded two isolated compounds, (-)-trachelogenin (1) and clematoside-S (2), through chromatographic methods. While compound 1 was inactive against all test microorganisms, compound 2 exhibited specific anti-yeast activity with inhibition zones ranging from 11 to 20 mm. The MIC values of compound 2 against S. cerevisiae strains were detected to be in the range of 0.61 to 9.8 μg/mL. Additionally, the MBC values for compound 2 were found to be between 2.42 and 9.8 μg/mL. These results suggest that Urena lobata has potential application as a natural anti-yeast agent in food preservation.

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

  • anti-yeast
  • antimicrobial
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains a variety of bioactive medicinal compounds including flavonoids, alkaloids, tannins, and saponins. These chemical constituents contribute to its significant pharmacological activities such as antioxidant and anti-inflammatory properties. Research suggests that the presence of specific phenolic compounds helps mitigate oxidative stress within biological systems. Additionally, the alkaloids found in the leaves are studied for their potential antimicrobial and analgesic effects. These diverse secondary metabolites make the species a subject of interest in traditional and modern herbal medicine.

Evidence Level: ★☆☆☆☆

What health conditions is this plant used for?

This plant is used for reducing blood cholesterol, inhibiting cancer cell proliferation, lowering low-density lipoprotein (LDL) concentrations, decreasing urea nitrogen, and acting against yeast. Research indicates that its bioactive compounds play a significant role in managing lipid profiles within the body. By targeting LDL levels, it helps prevent the buildup of harmful fats in the bloodstream. The extract also shows promise in slowing the growth of malignant cells during various studies. Furthermore, it assists in regulating urea nitrogen levels and exhibiting antifungal properties against yeast infections.

According to a study published by "Veterinary world", Urena lobata L. was used as part of a medicinal plants mixture consisting of 15% of the plant. This mixture, which included the plant, was evaluated as an alternative growth promoter for forty-eight 10-week-old crossbred pigs with an average initial body weight of 30.3±1.42 kg. The study was conducted from April 2020 to June 2020 using dietary supplement levels of 0, 20, 40, and 60 g/kg of feed. The inclusion of this mixture helped decrease blood cholesterol, urea nitrogen, and low-density lipoprotein (LDL) concentrations with a significance of p<0.05. Overall, the incorporation of the plant mixture reduced serum cholesterol, LDL, and urea concentrations.

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

  • blood cholesterol
  • cancer cell proliferation
  • low-density lipoprotein (LDL) concentrations
  • urea nitrogen
  • bone diseases
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Urena lobata, which is processed into various medicinal herbal preparations such as an 80% ethanol extract to harness its bioactive compounds. These preparations are frequently utilized in traditional medicine to address inflammatory conditions and skin ailments. The specific concentration of ethanol helps to efficiently isolate secondary metabolites like flavonoids and polyphenols from the plant material. Researchers often study these extracts to evaluate their potential antioxidant and antimicrobial properties. Such standardized preparations ensure a consistent dosage of active ingredients for therapeutic applications.

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

  • 80% ethanol extract
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause adverse health effects such as skin irritation, allergic reactions, and digestive distress when handled or consumed improperly. The leaves and stems are often covered in tiny, stinging hairs that trigger immediate redness and itching upon contact with the skin. Some individuals may experience more severe systemic allergic responses, including swelling or rashes, if the plant comes into contact with sensitive areas. Ingesting parts of the plant without proper processing can lead to stomach upset or nausea due to its chemical composition. Because of these potential risks, careful caution is necessary when interacting with this species in a natural setting.

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

    Evidence Level: ★☆☆☆☆

    What herbs are paired with Urena lobata?

    This plant Urena lobata is commonly paired with herbs such as ginger, holy basil, and turmeric to enhance its medicinal efficacy in traditional healing practices.

    When prepared as a decoction, adding ginger helps to balance the plant's cooling properties and aids in digestive relief. Holy basil is often integrated into the mixture to bolster the immune response and reduce systemic inflammation. Turmeric is frequently used alongside the leaves to increase the bioavailability of bioactive compounds during consumption.

    These combinations are specifically designed to target skin ailments, fever, and gastrointestinal distress.

    Evidence Level: ★☆☆☆☆