Cyperus longus

Cyperus longus · Accepted scientific name

Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆

Cyperus longus is a plant species that has gained significant scientific interest due to its diverse pharmacological potential. Research into its chemical composition has identified key bioactive compounds, including aristolone, irisone, longiverbenone, and viridiflorol. These substances are often studied through various extraction methods, such as essential oil (EO) production and the isolation of dichloromethane (CH2Cl2) and ethyl acetate (EtOAc) fractions. Investigations into these preparations have revealed that the plant exhibits notable cytotoxic and hepatoprotective activities. Consequently, understanding these specific chemical profiles is essential for exploring the plant's therapeutic applications in medicinal chemistry.

Quick facts
Synonyms
Chlorocyperus Longus · Pycreus Longus · 1 more
Common names
Not available
Family
Cyperaceae
Distribution
Not available
Plant Parts
Not available

Classification

Common Names

Cyperus longus is a versatile plant that is recognized by many different names across various regions. It is frequently referred to by the common names Fladaks and Galingale. In some areas, it may also be identified as Langaestiges Zypergras. Additionally, locals sometimes call the species Rood cypergras to distinguish it. Finally, it is known as Smalbladet fladaks, reflecting its diverse linguistic identity.

Sources: Catalogue of Life (COL)

Synonyms

Cyperus longus is a botanical species that is frequently identified through various taxonomic designations. Within scientific literature, it is known to share several synonyms that reflect its complex classification history. For instance, researchers may encounter the plant under the name Chlorocyperus longus in older texts. It is also documented under the synonym Eucyperus longus, providing another layer of nomenclature for botanists. Additionally, the name Pycreus longus serves as a recognized synonym for this specific plant species.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Cyperus longus is a distinctive botanical specimen belonging to the kingdom Plantae. Within this vast biological realm, it is classified under the class Equisetopsida. The plant is further organized into the order Poales, showcasing its specific evolutionary lineage. It finds its place within the diverse genus Cyperus, a group known for its unique structural characteristics. Ultimately, this species is a proud member of the Cyperaceae family, marking its botanical identity.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Poales
Family Cyperaceae
Genus Cyperus

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Cyperus longus exhibits a diverse geographical distribution that spans several distinct regions across the African continent. In East Tropical Africa, the species is commonly found inhabiting the landscapes of Kenya, Tanzania, and Uganda. Its range also extends beyond the mainland to include the unique environments of Macaronesia. Specifically, the plant can be located within the Azores and throughout the Canary Islands. This broad dispersal highlights the plant's ability to thrive in varied ecological niches across both continental and island settings.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Cyperus longus is a self-supporting herb that presents a versatile growth form in its natural habitat. This plant exhibits a significant range in stature, with heights typically measuring as little as 0.1 m. For many specimens, a more common minimum height is observed around 0.56 m. As the species matures, it can reach a maximum height of up to 1.7 m. This variation in size allows the plant to adapt effectively to diverse environmental conditions.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Cyperus longus is an Iranian endemic species that demonstrates significant pharmacological potential through its diverse biological activities. Recent studies have revealed that the plant possesses notable cytotoxic properties, specifically showing anti-proliferative and anti-apoptotic effects against MCF7 and PC3 cancer cell lines. Various extracts and its essential oil have proven effective in these tests, with certain constituents like viridiflorol identified as promising candidates for chemotherapeutic research. Beyond its anti-cancer potential, the plant also exhibits important hepatoprotective qualities. Specifically, constituents isolated from Egyptian medicinal varieties have been shown to inhibit cytotoxicity induced by D-galactosamine in mouse hepatocytes.

Compounds

Cyperus longus is an Iranian endemic species characterized by a complex chemical profile in its essential oil. Detailed GC-MS analysis reveals that the plant contains several significant compounds, including aristolone and irisone. Furthermore, the essential oil is composed of humulene oxide and viridiflorol. Research also identifies the presence of longiverbenone within its chemical makeup. These specific constituents are of particular interest due to their potential roles in anti-proliferative and anti-apoptotic activities.

Conditions

Cyperus longus exhibits significant therapeutic potential by inhibiting D-galactosamine-induced cytotoxicity in primary cultured mouse hepatocytes. The plant also demonstrates potent anti-proliferative and anti-apoptotic effects against the MCF7 cancer cell line. Specifically, various extracts and essential oils from the plant have been shown to effectively reduce the viability of MCF7 cells. Additionally, Cyperus longus provides targeted cytotoxic activity against the PC3 cancer cell line. These combined biological activities suggest that its constituents may serve as promising agents for treating both hepatotoxicity and specific types of cancer.

Preparations

Cyperus longus is prepared as an extract, specifically a methanol extract, to evaluate its anti-proliferative effects. The plant is also prepared as a dichloromethane (CH2Cl2) fraction, which was found to be the most effective against the MCF7 cell line. Additionally, Cyperus longus is prepared as an ethyl acetate (EtOAc) fraction for cytotoxicity testing. The species is further prepared as an essential oil (EO) to examine its chemical constituents and therapeutic potential. Finally, Cyperus longus is prepared as EO to facilitate identification via gas chromatography-mass spectrometry analysis.

Parts used