Rudbeckia hirta
Rudbeckia hirta · Accepted scientific name
Scientific literature: Very Sparse (3 studies) · ★☆☆☆☆
Rudbeckia hirta, commonly known as Black-eyed Susan, is a versatile plant that offers significant biological potential. Scientific studies have highlighted the therapeutic activities of its flower, specifically focusing on its antimicrobial, antioxidant, and antitumor properties. Research indicates that the extracts from this plant part exhibit strong antioxidant capabilities. Furthermore, it has demonstrated effective activity against various Gram-positive bacteria. These findings suggest that Rudbeckia hirta could serve as a valuable source for developing new medicinal compounds.
- Synonyms
- Coreopsis Hirta · Peramibus Hirtus · 2 more
- Common names
- Not available
- Family
- Asteraceae
- Distribution
- Not available
- Plant Parts
- Flower
Classification
Common Names
Rudbeckia hirta is most widely recognized by its popular English common name, the Black-Eyed-Susan. This vibrant wildflower carries diverse linguistic identities across different cultures and regions. In Welsh, it is known as Blodyn-Pigwrn Blewog, while it is called Mangishkiinzhigwe (Wezawab Gonik) in other traditional contexts. Portuguese speakers refer to the plant as Margarida-amarela, highlighting its bright, daisy-like appearance. These varied names reflect the global presence and cultural significance of this resilient species.
Sources: Catalogue of Life (COL)
Synonyms
Rudbeckia hirta is a versatile plant that is frequently identified by several different scientific names depending on the botanical context. Throughout history, researchers have classified this species under various synonyms, including Centrocarpha hirta and Coreopsis hirta. It has also been referred to in older texts as Helianthus hirtus, reflecting shifting taxonomic perspectives. Furthermore, the name Peramibus hirtus serves as another valid synonym used to describe this specific organism. Understanding these diverse nomenclatural relationships is essential for accurate identification in botanical studies.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Rudbeckia hirta is a remarkable organism that belongs to the kingdom Plantae. Within this vast biological realm, it is classified under the class Equisetopsida. Its lineage continues through the order Asterales, showcasing its specific evolutionary path. Furthermore, this plant is a proud member of the diverse family Asteraceae. Ultimately, it is defined by its unique identity within the genus Rudbeckia.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Rudbeckia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Rudbeckia hirta exhibits a broad geographical range that stretches across several diverse regions of the Asian continent. In the temperate zones of Central Asia, this species is widely distributed throughout Kazakhstan, Kyrgyzstan, Turkmenistan, and Uzbekistan. Its presence is not limited to the central plains, however, as it also extends into the Eastern Asian landscape. Specifically, the plant has established a notable foothold in the country of Japan. This expansive distribution highlights the remarkable adaptability of the species to varying regional climates.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Rudbeckia hirta is a self-supporting herb that adds vibrant texture to any garden landscape. This resilient plant typically reaches a maximum height of 1.2 meters, though its stature can vary significantly. Depending on the environment, the growth may be quite compact with a minimum height of only 0.1 meters. In many common garden settings, it tends to establish itself at a more standard minimum height of 0.25 meters. Regardless of its specific size, its sturdy structure ensures it stands tall amidst surrounding foliage.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Rudbeckia hirta, commonly known as the Black-eyed Susan, has emerged as a plant of significant interest due to its diverse therapeutic potential. Recent phytochemical analyses reveal that its flowers contain over 250 bioactive compounds, including flavonoids and polyphenolic acids. These studies demonstrate that the plant possesses notable antimicrobial activity, specifically showing inhibitory effects against Gram-positive bacteria and fungi. Furthermore, the extract exhibits potent antioxidant properties through mechanisms such as iron chelation and 15-LOX inhibition. Most significantly, the plant shows promise for antitumor applications, as evidenced by its ability to inhibit the growth of the MCF-7 cell line.
Compounds
Rudbeckia hirta, commonly known as the Black-eyed Susan, possesses a complex chemical profile that underscores its traditional medicinal value. Recent phytochemical analyses have revealed that this flowering plant contains a diverse array of over 250 different compounds. Among these significant metabolites, the presence of flavonoids and fatty acids has been specifically identified through untargeted metabolite profiling. These specific chemical components contribute to the extract's impressive biological activities, including antioxidant and antimicrobial properties. Such a rich composition suggests that the plant holds great promise for future applications within the pharmaceutical and nutraceutical industries.
Conditions
Rudbeckia hirta demonstrates significant therapeutic potential through its ability to treat 15-LOX inhibition and provide antioxidant benefits. The plant extract also functions as an antimicrobial agent that treats Gram-positive bacteria and shows promising antifungal activity. Furthermore, it exhibits anticancer properties by effectively treating the MCF-7 cell line through the inhibition of cell growth. These diverse biological activities highlight the plant's multifaceted medicinal capabilities. Such findings suggest that the species holds great promise for various pharmaceutical applications.
Preparations
Parts used
Rudbeckia hirta is a flowering plant widely recognized for its various traditional medicinal applications. Recent scientific investigations have focused specifically on the chemical composition and biological potential of its flowers. Through detailed metabolite profiling, researchers identified over 250 diverse compounds within the floral extracts, including flavonoids and polyphenolic acids. These findings suggest that the flowers possess significant antioxidant, antimicrobial, and even anticancer properties. Consequently, the unique bioactive profile of these parts paves the way for future developments in the pharmaceutical and nutraceutical industries.