Peltophorum dubium

Peltophorum dubium · Accepted scientific name

Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆

Peltophorum dubium is a tropical flowering tree recognized for its significant presence in traditional medicinal practices. Recent pharmacological investigations have focused on evaluating the biological potential of its various chemical constituents. This study specifically examines the antimicrobial efficacy of methanolic extracts derived from the plant's tissues. The research aims to determine the inhibitory effects of these extracts against several clinically relevant bacterial strains. Specifically, the antibacterial activity is tested against Enterococcus faecium, Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa.

Quick facts
Synonyms
Brasilettia Dubia · Baryxylum Dubium · 1 more
Common names
Not available
Family
Fabaceae
Distribution
Not available
Plant Parts
Not available

Classification

Common Names

Peltophorum dubium is a versatile tree known by a wide variety of regional names across different landscapes. It is frequently referred to as Angico-canjiquinha or Cana-fístula depending on the local vernacular. In certain areas, people may identify it as Farinha-seca, highlighting its unique characteristics. The tree also carries the distinct names of Guarucaia and Ibirapitá. These diverse common names reflect the deep cultural and botanical connections people have with this species.

Sources: Catalogue of Life (COL)

Synonyms

Peltophorum dubium is a botanical subject that has been identified under several different scientific names throughout history. Due to shifting taxonomic classifications, this species is also recognized by the synonym Baryxylum dubium. Researchers and botanists may also encounter it listed as Brasilettia dubia in various academic texts. Additionally, the plant has been historically referred to as Caesalpinia dubia in older literature. Understanding these diverse nomenclature relationships is essential for accurate plant identification and study.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Peltophorum dubium is a remarkable organism belonging to the kingdom Plantae. Within this vast biological realm, the species is classified under the class Equisetopsida. It further fits into the order Fabales, showcasing its specific evolutionary placement. As a member of the family Fabaceae, it shares characteristics with many other important legumes. Ultimately, this tree is identified by its unique genus, Peltophorum.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Fabales
Family Fabaceae
Genus Peltophorum

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Peltophorum dubium exhibits a remarkably broad geographic distribution that spans several continents and diverse climates. In Africa, the species is established within South Tropical Africa and throughout Zimbabwe. Its reach extends across the Indian Subcontinent in Asia, showcasing its adaptability to tropical environments. The plant is also found in the Americas, specifically across Northern Mexico, the Southwestern United States, and the state of Florida. Finally, its presence is noted in the northern regions of Brazil, completing its widespread global footprint.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Peltophorum dubium is a self-supporting tree characterized by its sturdy and upright growth form. This species typically reaches a height of approximately 16 meters during its early development. However, under optimal environmental conditions, it can achieve a maximum height of up to 22 meters. These dimensions make it a significant structural element within its native landscape.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Compounds

Conditions

Peltophorum dubium demonstrates significant antimicrobial properties through its methanolic extracts. Research indicates that this plant species effectively treats the pathogen Enterococcus faecium by inhibiting its respiratory activities. It also shows a strong capacity to treat Escherichia coli and Klebsiella pneumoniae. Furthermore, the extract is capable of treating Pseudomonas aeruginosa. Finally, Peltophorum dubium serves as a treatment for Salmonella typhimurium, showcasing its broad antimicrobial potential.

Preparations

Peltophorum dubium is prepared as methanolic extracts to facilitate its screening for antimicrobial properties. These extracts were derived from dried plant material collected from the provinces of Chaco and Formosa in northern Argentina. Once processed with methanol, the resulting extracts were dissolved in dimethylsulfoxide for testing against various microbial species. The study specifically identified that these methanolic preparations of Peltophorum dubium could inhibit the respiratory activities of certain test organisms. Such findings suggest that the plant's methanolic extracts warrant further investigation for potential bactericidal components.

Parts used