Plumeria obtusa

Plumeria obtusa · Accepted scientific name

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

Plumeria obtusa is a versatile botanical species recognized for its significant pharmacological potential in various therapeutic applications. Research has highlighted its diverse biological activities, including cytotoxic, anthelmintic, anti-HIV, and antibacterial properties. The plant contains key bioactive compounds such as oleanolic acid and ursolic acid, which play crucial roles in its medicinal efficacy. These chemical constituents are particularly relevant in managing metabolic conditions like diabetes mellitus. To optimize delivery, recent studies have explored various preparations, ranging from dichloromethane extracts to advanced nanoemulsion (NEm) systems.

Quick facts
Synonyms
Plumeria Apiculata · Plumeria Bicolor · 24 more
Common names
Not available
Family
Apocynaceae
Distribution
Not available
Plant Parts
Not available

Classification

Common Names

Plumeria obtusa is a versatile botanical specimen recognized by a diverse array of regional and international names. In various Caribbean locales, it is affectionately known as Alheli cimarrón, Alheli de Mona, or Alheli montuno. The plant also carries the distinctive moniker Chelilairangebard in certain traditional contexts. Furthermore, its fragrant nature earns it the descriptive title of Duftende Frangipani in other settings. These many identities highlight the widespread cultural presence and linguistic variety associated with this beautiful species.

Sources: Catalogue of Life (COL)

Synonyms

Plumeria obtusa is a species that is often identified through various botanical synonyms in scientific literature. It is frequently referred to by the name Plumeria apiculata in certain taxonomic contexts. The plant has also been documented under the synonym Plumeria bahamensis, as well as the variant spelling Plumeria barahonensis. Other historical designations include Plumeria beatensis and Plumeria bicolor. Navigating these diverse naming conventions is essential for researchers studying the complex relationships within this genus.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Plumeria obtusa is a distinguished member of the kingdom Plantae. Within this vast biological realm, it is specifically classified under the class Equisetopsida. This species belongs to the genus Plumeria, which is characterized by its unique and fragrant blooms. Furthermore, it is nested within the order Gentianales, showcasing its evolutionary connections to other similar plants. Finally, its botanical identity is completed by its placement in the family Apocynaceae.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Gentianales
Family Apocynaceae
Genus Plumeria

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Plumeria obtusa exhibits a widespread geographic range that spans across several distinct regions of the world. In Asia, this species is found throughout temperate zones, including the Arabian Peninsula and the Gulf States. Its presence is also well-established within China, specifically across the South-Central and Southeast regions as well as on Hainan island. Furthermore, the plant extends its reach into Northern America, specifically inhabiting the southeastern parts of Mexico. This broad distribution highlights the plant's ability to thrive in diverse tropical and subtropical environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Plumeria obtusa exhibits a distinct tree-like growth form that commands attention in any landscape. As a self-supporting species, it stands firmly on its own without the need for external structural support.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Plumeria obtusa contains valuable triterpenoids, specifically oleanolic and ursolic acids, which demonstrate significant therapeutic potential. Research indicates that these isolates from the plant exhibit strong antioxidant activity, effectively inhibiting free radicals. Furthermore, the compounds show notable anticarcinogenic properties, particularly when investigated against melanoma cell lines. Studies also highlight their cytotoxic activity, which can be enhanced through specialized delivery systems like nanoemulsions. Ultimately, these biological activities suggest that the plant could serve as a promising source for developing new anticancer agents.

Compounds

Conditions

Plumeria obtusa demonstrates significant therapeutic potential through its use against both cancer cells and metabolic disorders. Research indicates that triterpenoids isolated from the plant, specifically oleanolic and ursolic acids, exhibit potent cytotoxic activity against the B16 murine melanoma cell line. When these compounds are delivered via a nanoemulsion system, their ability to inhibit melanoma cell proliferation is notably enhanced. Additionally, ethnobotanical surveys reveal that Bapedi traditional healers utilize Plumeria obtusa as a medicinal plant to manage diabetes mellitus. In certain regions like the Sekhukhune District, this species is used exclusively for the treatment of diabetes.

Preparations

Plumeria obtusa is prepared as dichloromethane extracts to evaluate its antimutagenic properties in studies involving various flower species. Additionally, the plant serves as the source for Oleanolic Acid and Ursolic Acid, which are studied in their free form to assess antioxidant and anticarcinogenic potential. These isolated compounds are also prepared as a nanoemulsion (NEm) system to enhance their biological effectiveness. This specific nanoemulsion delivery method has been shown to significantly improve the cytotoxic activity of the triterpenoids against melanoma cells compared to the free versions. Consequently, these different preparation methods of Plumeria obtusa derivatives allow for a comprehensive investigation of their medicinal capabilities.

Parts used