Guizotia scabra

Guizotia scabra · Accepted scientific name

Scientific literature: Very Sparse (3 studies) · ★☆☆☆☆

Guizotia scabra is a versatile botanical species recognized for its significant therapeutic potential in traditional medicine. Research has highlighted the plant's leaf as a primary source of bioactive compounds, particularly when utilized through aqueous extracts and dried methanolic extracts. Beyond its structural properties, the plant is highly valued for its notable hepatoprotective and antioxidant activities. Furthermore, its medicinal profile is enriched by the inclusion of bee pollen and specialized essential oils derived from its components. Understanding these diverse preparations offers promising insights into the plant's role in supporting human health.

Quick facts
Synonyms
Coreopsis Galericulata · Guizotia Collina · 7 more
Common names
Not available
Family
Asteraceae
Distribution
Not available
Plant Parts
Leaf

Classification

Common Names

Guizotia scabra is a versatile plant known by several different common names across various regions. In many English-speaking areas, it is most frequently referred to as Sticky Niger. When looking at Swedish nomenclature, the plant is identified by terms such as Raues Ramtillkraut, strävt negerfrö, or strävt nigerfrö. These diverse names reflect the plant's widespread recognition and its linguistic variations. Understanding these different identifiers is essential for anyone studying the botanical characteristics of this species.

Sources: Catalogue of Life (COL)

Synonyms

Guizotia scabra is a plant species characterized by a complex web of taxonomic synonyms. Within botanical literature, it is frequently identified by alternative names such as Coreopsis galericulata. The species also shares nomenclature with Guizotia collina and Guizotia eylesii in various scientific records. Furthermore, researchers may encounter it listed under the synonyms Guizotia kassneri or Guizotia nyikensis. Understanding these overlapping relationships is essential for accurate botanical identification and classification.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Guizotia scabra is a distinctive botanical species belonging to the kingdom Plantae. Within this vast biological realm, the plant is classified under the class Equisetopsida. It further belongs to the order Asterales, which connects it to a diverse group of flowering plants. Specifically, it is nested within the family Asteraceae, a group known for its complex floral structures. Ultimately, this species is defined by its unique placement within the genus Guizotia.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Asterales
Family Asteraceae
Genus Guizotia

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Guizotia scabra is a plant species with a diverse distribution spanning several regions across the African continent. It is prominently found throughout East Tropical Africa, including nations such as Kenya. Its presence extends into Northeast Tropical Africa, where it can be located in Eritrea, Ethiopia, and the Sudan-South Sudan region. Additionally, the species reaches into South Tropical Africa, specifically within the borders of Malawi. This widespread geographical range highlights the adaptability of the plant across varying African landscapes.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Guizotia scabra is a versatile herb that thrives as a self-supporting plant in its natural habitat. This species exhibits a flexible growth pattern, with heights ranging from a minimum of approximately 0.3 meters to a maximum of about 1.83 meters. While it can be quite small, it frequently reaches a substantial stature of at least 1.5 meters. These varying dimensions reflect the plant's adaptable nature across different environmental conditions. Understanding these physical characteristics is essential for identifying the plant in the wild.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Guizotia scabra has demonstrated significant pharmacological potential through its documented hepatoprotective and antioxidant activities. In studies involving Rwandan medicinal plants, aqueous extracts of this species were shown to assist in the recovery of barbiturate sleep duration in animal models. Furthermore, research into the plant's essential oils and methanolic extracts revealed a notable ability to scavenge DPPH and inhibit lipid peroxidation. These antioxidant properties are believed to play a crucial role in supporting the plant's overall hepatoprotective effects. Consequently, the chemical composition of Guizotia scabra provides a scientific basis for its traditional use in treating liver-related ailments.

Compounds

Conditions

Guizotia scabra exhibits significant medicinal properties, including the ability to treat barbiturate-induced sleep modification in animal models. Specifically, aqueous extracts of its leaves allow for the recovery of barbiturate sleep duration. While it is traditionally used for its hepatoprotective qualities, in vitro testing on rat precision-cut liver slices showed it was unable to prevent acetaminophen-induced hepatotoxicity. In fact, the plant was found to be hepatotoxic by itself within that specific acetaminophen model. Despite this, its antioxidant activities likely contribute to its reported ethnopharmacological role as a hepatoprotective remedy.

Preparations

Guizotia scabra is prepared as aqueous extracts to study its ability to help animals recover barbiturate sleep duration in vivo. It is also prepared as dried methanolic extracts to evaluate its potential for protection against acetaminophen-induced hepatotoxicity in rat precision-cut liver slices. Research further identifies this plant as a significant floral source used in the production of bee pollen. Additionally, Guizotia scabra is prepared as essential oils from its leaves to investigate chemical compositions and antioxidant activities. Finally, the plant is processed into methanolic extracts to assess their performance in lipid peroxidation and DPPH scavenging models.

Parts used

Guizotia scabra is a medicinal plant frequently studied for its various pharmacological properties in Rwanda. Researchers specifically focus on the leaf of this species to investigate its chemical composition and potential health benefits. Through gas chromatography-mass spectrometry, scientists have identified key components like germacrene-d and limonene within the leaf's essential oils. These extracts are evaluated for their antioxidant activities and their ability to influence liver function in different experimental models. Understanding the specific role of the Guizotia scabra leaf helps validate traditional ethnobotanical uses of the plant in protecting against toxicity.