Cosmos caudatus

Cosmos caudatus · Accepted scientific name

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

Cosmos caudatus, commonly known as kenikir, is a versatile plant that holds significant pharmacological potential due to its bioactive properties. Research focuses on the plant's leaves, utilizing various preparations such as aqueous ethanolic extracts and solvents like 80% ethanol or methanol. These leaf extracts are highly valued for their potent antioxidant and antimicrobial activities. Consequently, these chemical properties offer therapeutic benefits for managing complex conditions including Type 2 Diabetes, Diabetes Mellitus, and arthritis. Furthermore, studies suggest that the plant may play a role in addressing physiological concerns such as bone resorption.

Quick facts
Synonyms
Bidens Berteroana · Bidens Artemisiifolia Var. Intermedia · 9 more
Common names
Not available
Family
Asteraceae
Distribution
Not available
Plant Parts
Leaf

Classification

Common Names

Cosmos caudatus is a versatile plant known by many different names depending on the region. It is frequently referred to as Clavelillo or Cosmee in various local dialects. Some gardeners and enthusiasts also recognize it by the name Foxtail due to its distinct appearance. In other areas, the plant is commonly called Kenikir or Margarita. These diverse common names reflect the wide cultural reach and widespread popularity of this beautiful species.

Sources: Catalogue of Life (COL)

Synonyms

Cosmos caudatus is a botanical subject characterized by a complex web of taxonomic synonyms. It is closely linked to several variations of Bidens artemisiifolia, including the specific form known as f. rubra. Furthermore, the plant shares relationships with the varieties var. caudata and var. intermedia. It is also associated with the pink-hued var. rosea. Ultimately, these connections through var. rubra and other classifications highlight the intricate naming history surrounding this species.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Cosmos caudatus belongs to the vast biological kingdom Plantae. Within this expansive group, it is specifically classified under the class Equisetopsida. This plant is a member of the order Asterales, showcasing its unique evolutionary lineage. It further falls under the prominent family Asteraceae, which is known for its diverse floral structures. Finally, it is categorized within the genus Cosmos, defining its botanical identity.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Asterales
Family Asteraceae
Genus Cosmos

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Cosmos caudatus exhibits a diverse geographical range that spans across multiple significant regions. In Africa, the species is widely distributed throughout the Western Indian Ocean, including the islands of Madagascar, Mauritius, Rodrigues, and Réunion. Beyond the African continent, its presence extends into the tropical regions of Asia. Specifically, it can be found within the Indian Subcontinent, notably in the Assam area. This broad distribution highlights the plant's ability to thrive in various tropical environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Cosmos caudatus is a self-supporting herb characterized by its upright and sturdy growth form. This plant typically reaches a maximum height of approximately one meter as it matures. Its compact stature makes it an easy addition to various garden landscapes.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Cosmos caudatus is a medicinal plant recognized for its significant concentration of bioactive compounds, particularly polyphenols. Research indicates that this plant possesses potent antioxidant activity, which can serve as a valuable support agent for bone metabolism. Studies have even demonstrated that its extract can enhance bone density and influence key metabolic markers. Furthermore, the plant exhibits effective antimicrobial properties against human pathogens such as Staphylococcus aureus and Escherichia coli. These combined characteristics suggest that Cosmos caudatus holds great potential for various applications in functional foods and medicinal products.

Compounds

Cosmos caudatus is a medicinal annual plant known for its significant therapeutic potential in treating conditions such as diabetes and high blood pressure. Scientific analysis using NMR spectroscopy and LC-MS/MS has identified several key bioactive metabolites within its leaves. Specifically, the plant contains rutin and a variety of flavonoid glycosides, including quercetin 3-O-glucoside and quercetin 3-O-rhamnoside. Other important compounds found in the plant are quercetin 3-O-arabinofuranoside and quercetin 3-O-xyloside. These metabolites are highly correlated with the plant's total phenolic content and its effective glucose-lowering capabilities.

Conditions

Cosmos caudatus serves as a medicinal plant capable of treating type 2 diabetes by providing beneficial effects for patients. The plant also demonstrates effective antimicrobial properties by treating pathogens such as Escherichia coli and Staphylococcus aureus. Furthermore, it acts to treat IL-1 by preventing its increase in ovariectomized rats to help manage bone resorption. Its high concentration of bioactive compounds also allows it to function as an antioxidant agent against various biomolecules and cells. These diverse therapeutic properties highlight the plant's significant potential in managing metabolic, microbial, and oxidative health issues.

Preparations

Cosmos caudatus is prepared as 80% ethanol and 80% methanol to analyze its total polyphenolic content and antioxidant capacity. This medicinal plant is also utilized as kenikir leaf extract to study its effectiveness as an antioxidant agent for bone metabolism in rats. Furthermore, researchers utilize leaf aqueous ethanolic extracts to determine the optimal harvest time for maximum $\alpha$-glucosidase inhibitory activity. These various preparation methods allow for the identification of bioactive metabolites such as rutin and flavonoid glycosides. Through these different extraction processes, the plant's potential for food and medicinal applications is thoroughly evaluated.

Parts used

Cosmos caudatus is a highly valued medicinal plant that derives much of its therapeutic potency from its leaves. Research indicates that the leaf extracts are rich in bioactive compounds, such as phenolics and flavonoids, which contribute to significant antioxidant and glucose-lowering effects. Studies suggest that harvesting these leaves at the tenth week of growth maximizes their medicinal quality, particularly for managing diabetes. Furthermore, the leaf extracts have shown promise in supporting bone metabolism and providing antimicrobial protection against various pathogens. Advanced extraction techniques, such as ultrasound-assisted methods, are being utilized to optimize the recovery of these essential nutrients from the plant's foliage.