Caryopteris incana
Caryopteris incana · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Caryopteris incana is a fascinating plant species that holds significant potential for pharmaceutical research. Studies have identified key bioactive compounds within its composition, most notably Phlinoside A, Verbascoside, and isoverbascoside. When examining the chemical profile of the whole plant, these constituents play a vital role in its biological activity. Recent scientific investigations have specifically focused on the plant's ability to influence angiogenesis. Interestingly, much of this therapeutic interest stems from the chemical properties found within the stem.
- Synonyms
- Nepeta Incana
- Common names
- Not available
- Family
- Lamiaceae
- Distribution
- Africa
- Plant Parts
- Stem
Classification
Common Names
Caryopteris incana is a versatile plant known by several different names across various regions and languages. It is most frequently recognized by its widespread English common name, Common Bluebeard. In certain linguistic contexts, it is also referred to as Barbula szara or Kariopteris szary. German speakers typically identify the species as Graue Bartblume or the specific variant Graue Bartblume (DE). Understanding these diverse monikers helps gardeners and botanists identify this striking shrub regardless of their location.
Sources: Catalogue of Life (COL)
Synonyms
Caryopteris incana is a distinctive plant that often creates confusion among gardeners and botanists alike. Due to historical classification shifts, this species is also recognized by the synonym Nepeta incana. Understanding these overlapping names is essential for anyone looking to accurately identify the plant in a nursery or field setting. While the nomenclature may vary across different texts, both terms refer to the same botanical entity. Recognizing this relationship ensures that enthusiasts can maintain consistency when discussing its unique characteristics and care requirements.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Caryopteris incana belongs to the vast kingdom Plantae, representing a diverse group of living organisms. Within this kingdom, the plant is classified under the class Equisetopsida. It further falls into the order Lamiales, which helps define its specific biological characteristics. The species is a member of the family Lamiaceae, a group often noted for its distinct botanical features. Finally, it is categorized under the genus Caryopteris, marking its unique place in the natural world.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Caryopteris |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Caryopteris incana is a resilient species primarily distributed throughout the temperate regions of Asia. Its natural habitat spans across various parts of China, including both the South-Central and Southeast territories. The plant's reach extends further into Eastern Asia, where it can be found thriving in Japan and Korea. Additionally, its presence is well-documented within the diverse landscapes of Taiwan. This broad geographical range highlights the adaptability of the species across different East Asian environments.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Caryopteris incana is a hardy plant characterized by its distinctive shrub growth form. Because of its sturdy structure, this species remains entirely self-supporting in various garden settings.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Caryopteris incana is a plant species known to possess a diverse array of bioactive chemical constituents. Research has identified several unique compounds within the plant, specifically the newly discovered caryocanolide and caryocanoside A. In addition to these novel substances, the whole plant contains important phenylpropanoid glycosides such as phlinoside A. The presence of verbascoside and isoverbascoside further characterizes the complex chemical profile of this species. Together, these various compounds contribute to the plant's significant biological activities, including antibacterial and antioxidant properties.
Conditions
Caryopteris incana leaves and stems demonstrate significant antiangiogenic activity when tested using a modified quail egg assay. This specific plant was identified among a group of traditional Korean medicinal extracts that inhibited angiogenesis by more than 50%. The study suggests that its effectiveness may stem from complex, multifactorial modes of action involving vascular endothelial growth factor receptors. Because it can successfully suppress the formation of new blood vessels, it holds potential for treating various diseases. Such applications include managing conditions like cancer, macular degeneration, and diabetic retinopathy.
Preparations
Caryopteris incana is prepared as the whole plant to facilitate the isolation of its chemical constituents. Researchers utilized the entire plant to extract two new compounds, caryocanolide and caryocanoside A, alongside nine known substances. The structural identification of these isolated compounds relied on advanced 2D nuclear magnetic resonance and mass spectroscopy data. Following extraction, several of these compounds were evaluated specifically for their potential antibacterial activity. Notably, one of the compounds derived from the whole plant demonstrated moderate antimicrobial effects against Bacillus subtilis.
Parts used
Caryopteris incana possesses significant therapeutic potential due to the bioactive properties found within its leaves and stems. During recent investigations into traditional Korean medicine, extracts from the plant's stem and leaves were tested for their ability to inhibit angiogenesis. These studies utilized a modified chicken-chorioallantoic-membrane assay to evaluate how the plant components affect blood vessel formation. The results demonstrated that the extracts from Caryopteris incana were highly effective, inhibiting angiogenesis by more than 50% in quail eggs. Such findings suggest that this plant may play a crucial role in developing treatments for diseases like cancer and macular degeneration.