Delonix regia (Fabaceae), commonly known as the Flame Tree or Royal Poinciana, has emerged as a significant subject of scientific investigation due to its diverse therapeutic applications. This review synthesizes current knowledge regarding the botanical characteristics, ethnomedicinal uses, and pharmacological properties of D. regia. The species, distinguished by its brilliant orange-red inflorescence, demonstrates widespread adaptation across tropical and subtropical ecosystems, contributing to both urban forestry and natural landscapes. Phytochemical analyses have revealed a complex matrix of bioactive compounds, including flavonoids, alkaloids, tannins, saponins, terpenoids, and phenolic acids. These constituents underpin the species' pharmacological activities, which have been validated through various experimental models. The review evaluates the empirical evidence supporting D. regia's therapeutic properties, encompassing wound healing potential, anticancer activities, anti-inflammatory effects, and antioxidant capabilities. Integration of traditional medicinal knowledge with contemporary scientific methodologies has enhanced understanding of the species' therapeutic mechanisms. The findings indicate that D. regia represents a valuable resource for pharmaceutical development, exemplifying the intersection of traditional medicine and modern pharmacology. This comprehensive analysis demonstrates the species' potential contributions to healthcare advancement while identifying areas requiring further investigation to fully exploit its therapeutic properties.