Delonix regia
Delonix regia · Accepted scientific name
Scientific literature: Very Sparse (4 studies) · ★☆☆☆☆
Delonix regia is a remarkable botanical species renowned for its significant antioxidant, antibacterial, and antimicrobial activities. Various plant parts, including the flower, seed, and leaf, serve as rich sources of bioactive chemicals such as flavonoids, glycosides, phenols, and saponins. Scientific investigations into acetone extracts, ethanolic plant extracts, ethyl acetate fractions, and hexane-extracted oils of ripe seeds have revealed their therapeutic potential. These preparations show promise in addressing complex biological conditions, ranging from combating MRSA and malaria to managing salinity stress. Consequently, this plant stands as a vital subject of pharmacological research due to its diverse chemical profile and medicinal applications.
- Synonyms
- Poinciana Regia · Caesalpinia Regia · 1 more
- Common names
- Not available
- Family
- Fabaceae
- Distribution
- Not available
- Plant Parts
- Flower · Seed
Classification
Common Names
Delonix regia is a magnificent tree that is recognized by a diverse array of regional and international names. In various parts of the world, it is affectionately referred to as Alamboronala or Fannou. It also carries the distinct title of Clavellino de Madagascar, reflecting its exotic origins. Many people simply know it as Delònix, while others celebrate its fiery beauty as the Flamboiaiã. Regardless of the name used, this striking plant remains a celebrated icon of tropical landscapes.
Sources: Catalogue of Life (COL)
Synonyms
Delonix regia is a spectacular flowering tree that is frequently referred to by several different botanical names. In many scientific circles, it is recognized by the synonym Caesalpinia regia. Collectors and botanists may also encounter it listed as Poinciana regia in older literature. Furthermore, a specific yellow-flowered variation is formally classified as Delonix regia var. flavida. Understanding these various synonyms is essential for anyone studying the diverse nomenclature of this iconic species.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Delonix regia belongs to the vast kingdom Plantae, representing a diverse group of multicellular organisms. Within this kingdom, it is classified under the class Equisetopsida. This plant further belongs to the order Fabales, showcasing its evolutionary lineage. It is a distinguished member of the family Fabaceae, which is known for its significant botanical importance. Finally, it is identified by its specific genus, Delonix, which defines its unique characteristics.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Delonix |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Delonix regia is widely distributed across various regions of the African continent. Within East Tropical Africa, this species can be found flourishing in Kenya, Tanzania, and Uganda. Its presence also extends into Northeast Tropical Africa, where it inhabits the landscapes of Chad and Ethiopia. This broad geographic range highlights the plant's adaptability to different tropical environments. Consequently, understanding these specific locations is essential for studying its ecological footprint across Africa.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Delonix regia is a magnificent tree characterized by its robust and self-supporting growth form. This species typically reaches a significant stature, often topping out at a maximum height of 15 meters. While it can vary in size, the plant generally establishes itself with a minimum height of around 5 meters. In many ideal environments, it consistently matures to reach that 15-meter threshold. Ultimately, its impressive structural presence makes it a standout feature in any landscape.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Delonix regia stands out as a versatile botanical resource with a diverse range of significant biological activities. Research indicates that this ornamental plant possesses potent antioxidant properties, which can even be utilized to mitigate environmental stressors like salinity in other species. Furthermore, the plant demonstrates strong antimicrobial potential, making it a candidate for natural pest and pathogen control. Studies have also confirmed its antibacterial efficacy, particularly when screening for treatments against multidrug-resistant bacteria. These combined characteristics highlight the therapeutic promise of Delonix regia in the development of eco-friendly medicinal and biotechnological applications.
Compounds
Delonix regia contains a diverse array of phytochemicals, most notably flavonoids, which contribute to its significant therapeutic potential. Recent research into its floral extract has revealed that these specific constituents play a crucial role in protecting against diabetic cardiac remodeling. By modulating complex molecular trajectories, the plant helps mitigate cardiomyocyte hypertrophy and reduces harmful fibrotic deposition in the heart. Molecular docking studies further suggest that the combined actions of these phenolic and flavonoid components are responsible for such cardioprotective effects. Ultimately, the presence of these compounds positions the plant as a promising candidate for managing the structural complications of diabetic cardiomyopathy.
Conditions
Delonix regia exhibits significant biological utility, including the ability to act as a larvicide against the mosquito vector Culex pipiens. Its extracts demonstrate potent antimicrobial properties, specifically targeting multidrug-resistant bacteria such as MRSA and ESbetaL-producing enteric bacteria. The plant also serves as a protective agent against environmental stress, as flower extracts can mitigate the harmful effects of salinity in sensitive seedlings. Furthermore, it shows therapeutic potential in medical contexts by modulating apoptotic markers to prevent cardiac remodeling. These diverse applications highlight the plant's versatility in addressing insect pests, bacterial infections, and physiological stressors.
Preparations
Delonix regia is prepared as acetone extracts, which have demonstrated significant toxic effects against Culex pipiens larvae. The plant is also prepared as ethanolic plant extracts that have been screened for broad-spectrum antibacterial activity against various bacteria. Furthermore, it is prepared as an ethyl acetate fraction as part of fractionation-based studies to identify active phytocompounds. For the investigation of bioactive lipophilic compounds, Delonix regia is prepared as hexane-extracted oils of ripe seeds. Additionally, the species is prepared as leaf extracts to evaluate its potential against microbial agents and mosquito vectors.
Parts used
Delonix regia is a versatile plant species that offers various biological benefits through its different anatomical parts. Extracts derived from its flowers have demonstrated significant potential in protecting against diabetic cardiac remodeling and acting as a bio-stimulant to improve salinity tolerance in other plants. The plant's seeds are also highly valuable, serving as a source of bioactive lipophilic compounds like tocotrienols and containing unique proteinase inhibitors. Additionally, the leaf extracts of this species exhibit promising insecticidal and antimicrobial properties, making them useful in the development of eco-friendly biopesticides. Collectively, these relationships highlight the diverse therapeutic and industrial applications of the various components found within Delonix regia.