Caryopteris incana
What's the taxonomical classification of Caryopteris incana?
Caryopteris incana belongs to the kingdom Plantae and is classified within the phylum Streptophyta. At the class level, it is categorized as Equisetopsida, falling under the subclass Magnoliidae. Its taxonomic progression continues through the order Lamiales and the family Lamiaceae, which places it within the genus Caryopteris. Finally, it is identified as the specific species incana.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Caryopteris |
| Species | incana |
What are the morphological characteristics of this plant?
Caryopteris incana has woody, deciduous stems that produce oppositely arranged, ovate to lanceolate leaves characterized by a grayish-green color and a fine coating of soft, velvety hairs. The leaf margins are typically entire, and the texture is notably scabrous or pubescent on both surfaces. During the flowering season, the plant develops terminal panicles of small, tubular, blue to violet flowers that emerge from the foliage. These blooms are supported by branching stems that give the shrub a rounded, multi-stemmed growth habit. The overall structure of the plant remains compact, usually reaching a height and spread of two to three feet.
What is the geographical distribution of this plant?
This plant is native to the mountainous regions of central and southern China where it thrives in varied altitudes. It is primarily found growing in rocky slopes, forest edges, and scrublands throughout its indigenous range. Because of its hardiness, it has been widely introduced to temperate gardens across Europe and North America as an ornamental species. In these new environments, it typically settles in well-drained soils that mimic its natural habitat. Its ability to adapt to different climates allows it to spread through various horticultural landscapes globally.
How is this plant cultivated?
This plant, commonly known as bluebeard, thrives in well-draining soil and full sun exposure within USDA hardiness zones 7 through 9.
It requires minimal watering once established to prevent root rot and prefers a dry summer climate. Pruning the stems back by half in early spring encourages vigorous new growth and abundant flowering. Regular deadheading throughout the season can extend the blooming period of its fragrant blue blossoms.
Providing consistent drainage is the most critical factor for successful long-term cultivation.
What parts of this plant are used medicinally?
This plant, Caryopteris incana, is utilized medicinally through its leaves, stems, and the entire plant to provide various therapeutic benefits. The leaves are often harvested for their aromatic properties and potential sedative effects. Stems can also be processed to extract specific compounds used in traditional herbal remedies. Practitioners frequently employ the whole plant in preparations to maximize the concentration of active constituents. These diverse parts contribute to the plant's overall reputation in ethnobotanical studies.
According to a study published by "Evidence-based complementary and alternative medicine : eCAM", extracts from Caryopteris incana leaves-stems inhibited angiogenesis more than 50% in quail eggs. This research investigated the antiangiogenic properties of 59 plants used in traditional Korean medicine. To test for these effects, a modified chicken-chorioallantoic-membrane (CAM) assay using quail eggs was applied. The study also employed microarray-based mRNA expression profiling to correlate the 50% inhibition concentrations (IC50) of a panel of 60 NCI cell lines to selected phytochemicals. These findings suggest potential applications for diseases where inhibition of blood vessel formation is desired.
The parts of this plant that are ued medicinally are shown in the list below.
- leaves
- stems
- whole plant
What traditional systems uses this plant?
This plant, known as Bluebeard or Blue Spirea, has been utilized in various folk remedies for its perceived medicinal properties throughout history. In Traditional Korean Medicine, components of the plant have been historically employed to address specific ailments according to local herbal practices. Beyond its role in East Asian traditions, other cultures have used the plant for its aromatic qualities and potential calming effects. Historical accounts suggest that its leaves and stems were often prepared as infusions or topical applications. These diverse uses highlight the long-standing relationship between this species and human medicinal traditions.
According to a study published by "Evidence-based complementary and alternative medicine : eCAM", researchers investigated the antiangiogenic properties of 59 plants used in traditional Korean medicine. Among these, extracts from Caryopteris incana leaves-stems were found to inhibit angiogenesis by more than 50% in quail eggs during a modified chicken-chorioallantoic-membrane assay. The study also utilized a panel of 60 NC1 cell lines to correlate 50% inhibition concentrations with selected phytochemicals. Additionally, molecular docking was used to approach the binding of plant constituents to the vascular endothelial growth factor receptors 1 and 2 (VEGFR1, VEGFR2). These findings regarding Caryopteris incana suggest potential applications for diseases where inhibiting blood vessel formation is desired.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Korean Medicine
What are the pharmacological activities of Caryopteris incana?
This plant has significant pharmacological activities including antibacterial activity, antioxidant properties, and radical scavenging activity. The extracts derived from Caryopteris incana demonstrate the ability to inhibit the growth of various pathogenic bacteria. Its chemical constituents function as potent antioxidants that protect cells from oxidative stress. Specifically, the plant exhibits strong radical scavenging activity by neutralizing free radicals in biological systems. These combined therapeutic effects highlight its potential for medicinal applications.
According to a study published by "Journal of natural medicines", two new compounds named caryocanolide (1) and caryocanoside A (2) were isolated from the whole plant of Caryopteris incana. These were found alongside nine known compounds (3-11). The isolated compounds (1, 2, 4-11) were tested specifically for their antibacterial activity. Compound 1 exhibited moderate antimicrobial activity against Bacillus subtilis. This activity was characterized by a minimum inhibitory concentration value of 35.7 μM.
The primary pharmacological activities of this plant are shown in the list below.
- antibacterial activity
- antioxidant
- radical scavenging activity
What medicinal compounds this plant contains?
This plant contains the medicinal compounds caryocanolide, caryocanoside A, incanoside, isoverbascoside, and verbascoside. These specific chemical constituents contribute to the complex pharmacological profile found within the Caryopteris incana species. Research into these substances often focuses on their potential antioxidant and anti-inflammatory properties. The presence of these glycosides and diterpenes highlights the chemical diversity of the plant's secondary metabolites. Understanding these molecules helps scientists explore new applications for traditional herbal remedies.
According to a study published by "Journal of natural medicines", two new compounds named caryocanolide (1) and caryocanoside A (2) were isolated from the whole plant of Caryopteris incana. These two new compounds were found together with 9 known compounds (3-11) from the plant. The structures of these 11 compounds were determined using 2D nuclear magnetic resonance and high resolution fast atom bombardment mass spectroscopy data. The isolated compounds 1, 2, 4-11 were tested for their antibacterial activity. Compound 1 exhibited moderate antimicrobial activity against Bacillus subtilis with a minimum inhibitory concentration value of 35.7 μM.
The primary medicinal compounds of this plant are shown in the list below.
- caryocanolide
- caryocanoside A
- incanoside
- phlinoside A
- verbascoside
What health conditions is this plant used for?
This plant is used for treating cancer by inhibiting angiogenesis, which is the process of new blood vessel formation that tumors require to grow. Researchers have studied its potential to mitigate complications arising from diabetic retinopathy through its antioxidant properties. It also shows promise in managing symptoms associated with macular degeneration by protecting retinal cells. These bioactive compounds work to stabilize cellular functions and prevent progressive tissue damage. Such medicinal applications highlight the plant's significance in modern pharmacological research.
According to a study published by "Evidence-based complementary and alternative medicine : eCAM", extracts from Caryopteris incana leaves-stems inhibited angiogenesis by more than 50% in quail eggs. This research investigated the antiangiogenic properties of 59 plants used in traditional Korean medicine. The study utilized a modified chicken-chorioallantoic-membrane assay and examined the 50% inhibition concentrations (IC50) of a panel of 60 NC1 cell lines. The antiangiogenic activity of these plants implies a possible application for diseases where inhibition of blood vessel formation is desired, such as cancer, macular degeneration, and diabetic retinopathy.
The main health conditions this plant is used for are shown in the list below.
- angiogenesis
- cancer
- diabetic retinopathy
- macular degeneration
What are the herbal preparations of this plant?
This plant is used to create medicinal preparations such as infusions, decoctions, and tinctures that leverage its antimicrobial and anti-inflammatory properties.
Practitioners often prepare tea from the dried leaves to help soothe respiratory issues or digestive discomfort. Tinctures made from the plant's essential oils are frequently applied topically to treat skin irritations or minor wounds. Some traditional remedies involve using concentrated extracts to support the nervous system during periods of stress.
These various preparations allow the botanical benefits of the species to be utilized for diverse therapeutic purposes.
What side effects this plant can have?
This plant can cause skin irritation, allergic reactions, or gastrointestinal distress if ingested by humans or animals. While often used ornamentally, the essential oils in its leaves may trigger contact dermatitis in sensitive individuals. Some people may experience redness or itching upon direct skin contact with the foliage. If consumed accidentally, the plant could potentially lead to nausea or stomach upset. Detailed clinical studies regarding long-term human toxicity remain limited, so caution is advised.
The main side effects this plant can have are shown in the list below.
What herbs are paired with Caryopteris incana?
This plant pairs exceptionally well with aromatic herbs such as lavender, salvia, and rosemary to create a cohesive pollinator garden.
The blue flowers of Caryopteris incana provide a striking visual contrast when set against the silver foliage of sage or the deep purple spikes of salvia. Pairing it with rosemary adds a structural element and a wonderful scent that complements its light, herbal aroma. These combinations work best in sunny, well-drained locations where all the selected species can thrive together.
Such groupings also serve to attract a diverse array of bees and butterflies to the landscape.