Duhaldea nervosa
Duhaldea nervosa · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Duhaldea nervosa is a unique botanical species that has garnered attention for its specific chemical profile. Scientific investigations have focused on the leaf as the primary source of its bioactive properties. Through the preparation of processed Inula nervosa, researchers are able to isolate key components for further study. One such significant substance identified within these leaf extracts is known as Compound 1. Understanding this plant's composition offers valuable insights into its potential medicinal or industrial applications.
- Synonyms
- Aster Macilentus · Aster Vellereus · 8 more
- Common names
- Not available
- Family
- Asteraceae
- Distribution
- Not available
- Plant Parts
- Leaf
Classification
Common Names
Duhaldea nervosa is a distinctive plant species known by its common Chinese name, 显脉旋覆花. This botanical name highlights specific morphological characteristics that set it apart from its relatives in the field. Researchers and enthusiasts alike value the plant for its unique structural patterns, which are reflected in its traditional nomenclature. Understanding these naming conventions helps botanists accurately categorize the species within its natural habitat. Such linguistic connections provide a vital bridge between scientific classification and local botanical knowledge.
Sources: Catalogue of Life (COL)
Synonyms
Duhaldea nervosa is a complex botanical subject characterized by a significant number of historical taxonomic synonyms. Within scientific literature, this species has been identified under various names, including Aster macilentus and Aster vellereus. The plant's classification has also shifted to include names such as Helenium nervosum and Inula asperrima. Furthermore, certain variations have been documented specifically as Duhaldea nervosa var. purpurascens. Understanding these diverse designations is essential for maintaining accurate records in botanical studies.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Duhaldea nervosa is a distinctive botanical species that belongs to the expansive kingdom Plantae. Within this vast kingdom, the plant is classified under the class Equisetopsida. It further resides in the order Asterales, showcasing its evolutionary connections to a wide range of flowering plants. This species is a member of the diverse family Asteraceae, which is well-known for its complex floral structures. Ultimately, the plant is defined by its unique identity within the genus Duhaldea.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Duhaldea |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Duhaldea nervosa exhibits a broad and diverse geographic range that spans across multiple ecological zones in Asia. Within the temperate regions, the species is notably distributed throughout China, including the specific areas of South-Central China and Tibet. Its presence also extends into tropical environments across the Indian Subcontinent. In these warmer climates, the plant can be found in Assam, Nepal, and the East Himalaya. This widespread distribution highlights the remarkable adaptability of the species to varying regional landscapes.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Duhaldea nervosa is a self-supporting herb characterized by its distinct growth form. This botanical structure allows the plant to maintain its upright position within its natural habitat.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Duhaldea nervosa undergoes significant chemical transformations when subjected to various processing conditions. Through the use of HPLC and chromatographic purification, researchers have successfully identified key constituents within the plant. Notably, the study highlights that Compound 1 has been isolated from the species for the first time. Additionally, the analysis revealed that the processed plant contains the monomeric compound 5-hydroxymethylfurfural. These findings provide critical insight into how the chemical profile of Duhaldea nervosa evolves during preparation.
Conditions
Duhaldea nervosa, specifically its root extracts, demonstrates significant biological activity against H2O2-insulted HepG2 cells. The study indicates that the plant's chemical profile is directly correlated with its ability to treat these H2O2-challenged HepG2 cells. This therapeutic effect is driven by the upregulation of key antioxidative response actors, such as Nrf2 and HO-1, within the cells. By addressing the oxidative stress caused by the H2O2 insult, the plant extracts provide a protective mechanism for the HepG2 cell line. Ultimately, the research confirms that the secondary metabolites in the plant effectively mitigate the damage in these challenged cellular models.
Preparations
Duhaldea nervosa is prepared as processed Inula nervosa through various specific conditions. Research indicates that the chemical constituents of the plant undergo significant changes during this processing stage. Using HPLC with a gradient elution of acetonitrile and water, scientists can monitor these transformations at a wavelength of 280 nm. The processing of Inula nervosa leads to the emergence of new compounds, including the isolation of 5-hydroxymethylfurfural. Ultimately, these studies confirm that the structural identity of the plant is modified when it is converted into its processed form.
Parts used
Duhaldea nervosa exhibits significant morphological variations depending on the month of study. Specifically, the plant's leaf characteristics, including single leaf area and total leaf area, reach their peak levels during June. During this period, the leaves also demonstrate maximum photochemical efficiency and the highest rates of electron transfer within the photosystem II. These physiological advantages in the leaves contribute to a higher net photosynthetic rate throughout the early summer. Understanding these leaf-based developmental patterns is essential for optimizing the cultivation and harvesting of the species.