Cornus walteri

What's the taxonomical classification of Cornus walteri?

Cornus walteri belongs to the kingdom Plantae and is classified within the phylum Streptophyta. Its taxonomic hierarchy continues through the class Equisetopsida and the subclass Magnoliidae, placing it within the order Cornales. As a member of the family Cornaceae, it is further categorized under the genus Cornus, ultimately reaching its specific designation as the species walteri.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Cornales
Family Cornaceae
Genus Cornus
Species walteri
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Cornus walteri has opposite, simple leaves that are ovate to elliptic in shape, featuring prominent pinnate venation and entire to slightly serrated margins. The plant typically exhibits a multi-stemmed shrubby growth habit with smooth, grayish bark. Its inflorescences consist of small, white, four-petaled flowers clustered in dense cymes. Following flowering, the plant produces small, fleshy drupes that transition from green to a dark color upon maturity. These botanical features distinguish it from other species within the dogwood family.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the southeastern United States, specifically spanning from eastern North Carolina through South Carolina and Georgia into northern Florida. It primarily thrives in the moist, shaded environments found within coastal plain woodlands and riverine habitats. Populations are often concentrated in sandy or loamy soils that provide consistent moisture levels. These shrubs are frequently observed growing in the understory of maritime forests and bottomland hardwood ecosystems. The distribution is relatively localized within these specific subtropical regions.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant requires well-drained, acidic soil and a location that offers partial shade to full sun for optimal growth.

It thrives best when kept consistently moist but never waterlogged to prevent root rot. Regular mulching helps maintain the necessary soil moisture and temperature stability throughout the seasons. Pruning during the dormant period can encourage more vigorous new growth and better flowering.

These shrubs are generally hardy and adaptable once they have established a strong root system.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant utilizes the leaves and stems of Cornus walteri for various medicinal applications. The leaves are often processed into infusions or poultices to treat localized inflammation. Practitioners also utilize the stem to derive extracts that may assist with digestive ailments. These specific botanical components contain bioactive compounds that contribute to the plant's therapeutic properties. Careful preparation of both the foliage and the woody structures is essential for effective use.

According to a study published by "Journal of ethnopharmacology", Cornus walteri Wangerin has been used in oriental traditional medicine for the treatment of antidiarrheal and inflammation. The hydrolyzed Cornus walteri Wangerin leaf was tested for anti-photoaging effects against UVB-induced MMP-1 and pro-inflamatory cytokines. This extract of hydrolyzed Cornus walteri Wangerin leaf had an elastase inhibitory activity with an IC50 of 0.457mg/mL. The extract inhibited MMP-1 expression by up to 61% compared to the control group exposed to UVB. At a dose of 50μg/mL, the extract also showed inhibitory effects on releasing pro-inflamatory cytokines IL-6 and IL-8 at 30% and 57% inhibition, respectively.

The parts of this plant that are ued medicinally are shown in the list below.

  • leaf
  • stem
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, known scientifically as Cornus walteri, is primarily recognized as a rare species of dogwood native to specific regions of East Asia where it has been integrated into local botanical knowledge.

Historically, members of the Cornus genus have been utilized by indigenous populations for their medicinal properties and as sources of tannins for leather processing. While specific documented traditions for this exact species are limited in mainstream literature, related dogwoods have traditionally been used to treat inflammatory conditions and skin ailments. Local communities have also historically valued such woody shrubs for their structural utility in crafting small tools or decorative items.

These traditional applications reflect a broader pattern of how regional flora serves both practical and therapeutic roles in human history.

Evidence Level: ★☆☆☆☆

What are the pharmacological activities of Cornus walteri?

This plant has demonstrated significant pharmacological activities including adipogenesis suppression, anti-diarrheal, anti-inflammatory, and anti-photoaging properties. The suppression of adipogenesis suggests a potential role for the plant in managing metabolic disorders related to fat cell formation. Its anti-diarrheal effects indicate that certain compounds within the species may help regulate gastrointestinal distress. Furthermore, the plant exhibits anti-inflammatory capabilities that could mitigate various systemic or localized swelling responses. Finally, the anti-photoaging activity highlights its potential utility in protecting skin health from ultraviolet radiation damage.

According to a study published by "Molecules (Basel, Switzerland)", Cornus walteri has been broadly used in traditional East Asian medicine for the treatment of various disorders, including skin inflammation and diarrhea. Seven triterpenoids, labeled 1-7, were isolated from the stems and stem bark of the plant. While these seven compounds had little effect on mesenchymal stem cell differentiation to osteoblasts, they decreased lipid droplet formation in adipocyte-differentiated mesenchymal stem cells. Specifically, compounds 1 and 4 showed a distinct correlation between dose and efficacy by suppressing adipogenesis at higher concentrations. These findings demonstrate that the active compounds 1 and 4 can exert beneficial effects in the regulation of adipocyte differentiation.

The primary pharmacological activities of this plant are shown in the list below.

  • adipogenesis suppression
  • anti-diarrheal
  • anti-inflammatory
  • anti-photoaging
  • antidiarrheal
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains cornusalterins, N-P, tirucallane, and various triterpenoids which serve as its primary medicinal compounds. These specific chemical constituents are responsible for the biological activities observed in the species. The presence of these triterpenoids often contributes to the plant's potential anti-inflammatory properties. Furthermore, the unique structural makeup of cornusalterins distinguishes this species from other members of the genus. Detailed phytochemical analysis continues to reveal how these individual molecules interact within medicinal applications.

As discussed in a study, seven triterpenoids labeled 1-7 were isolated from the stems and stem bark of Cornus walteri. Among these, compounds 1-3 were identified as new tirucallane triterpenoids known as cornusalterins N-P, while compounds 4-7 were isolated for the first time from this plant. The study examined the effects of these 7 triterpenoids on mesenchymal stem cell differentiation in the C3H10T1/2 cell line. Although the compounds had little effect on osteoblast differentiation, lipid droplet formation decreased in the presence of the 7 triterpenoids. Specifically, compounds 1 and 4 showed a distinct correlation between dose and efficacy regarding adipogenesis suppression at higher concentrations.

The primary medicinal compounds of this plant are shown in the list below.

  • cornusalterins
  • N-P
  • tirucallane
  • triterpenoids
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for treating UVB-induced skin damage, inflammation, photoaging, skin inflammation, and diarrhea. Its medicinal properties are particularly effective at mitigating the harmful effects of ultraviolet radiation on the dermis. The extracts work to reduce systemic and localized skin inflammation caused by environmental stressors. Additionally, the plant helps prevent photoaging by protecting cellular structures from light-induced degradation. Beyond topical applications, it is also utilized to manage digestive issues such as diarrhea.

According to a study published by "Journal of ethnopharmacology", Cornus walteri Wangerin has been used in oriental traditional medicine for the treatment of antidiarrheal and inflammation. The hydrolyzed Cornus walteri Wangerin leaf extract (CWE) demonstrated elastase inhibitory activity with an IC50 of 0.457mg/mL. This extract inhibited MMP-1 expression by up to 61% compared to the control group exposed to UVB. Additionally, CWE showed an inhibitory effect on releasing pro-inflammaforry cytokines IL-6 and IL-8 in KeraSkin™-FT at a dose of 50μg/mL, with 30% and 57% inhibition respectively. Consequently, CWE is considered a promising anti-photoaging agent for the treatment of UVB-induced skin.

The main health conditions this plant is used for are shown in the list below.

  • UVB-induced skin damage
  • inflammation
  • photoaging
  • skin inflammation
  • diarrhea
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Cornus walteri, which is used to create medicinal herbal preparations such as hydrolyzed Cornus walteri leaf extract. These preparations often focus on utilizing the specific bioactive compounds found within the foliage to support various physiological functions. Researchers study the chemical composition of the leaves to determine the most effective ways to stabilize these extracts for therapeutic use. The hydrolysis process helps break down complex molecules into smaller, more absorbable components for the human body. Such specialized preparations represent a significant area of interest in traditional and modern botanical medicine.

According to a study published by "Journal of ethnopharmacology", Cornus walteri Wangerin has been used in oriental traditional medicine for the treatment of antidiarrheal and inflammation. Hydrolyzed Cornus walteri Wangerin leaf extract (CWE) demonstrated elastase inhibitory activity with an IC50 of 0.457mg/mL. This extract inhibited MMP-1 expression by up to 61% compared to the control group exposed to UVB. Furthermore, CWE showed an inhibitory effect on releasing pro-inflammaforatory cytokines IL-6 and IL-8 in KeraSkin™-FT. At a dose of 50μg/mL, these inhibitions were 30% and 57% respectively.

The main herbal preparations of this plant are shown in the list below.

  • hydrolyzed Cornus walteri leaf extract
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause adverse health effects including diarrhea and skin inflammation when ingested or touched. Individuals who consume parts of the plant may experience sudden gastrointestinal distress and loose stools. Direct contact with the foliage or stems can lead to localized redness and painful skin inflammation. These reactions vary in intensity depending on the person's sensitivity to the plant's chemical compounds. It is important to handle the species with caution to prevent these physical complications.

According to a study published by "Molecules (Basel, Switzerland)", Cornus walteri has been broadly used in traditional East Asian medicine for the treatment of various disorders, including skin inflammation and diarrhea. Seven triterpenoids, identified as compounds 1-7, were isolated from the stems and stem bark of the plant. While these compounds had little effect on mesenchymal stem cell differentiation to osteoblasts, lipid droplet formation in adipocyte-differentiated cells decreased in the presence of the 7 triterpenoids. Specifically, compounds 1 and 4 each demonstrated a relatively distinct correlation between dose and efficacy by showing adipogenesis suppression at higher concentrations. These findings suggest that active compounds 1 and 4 can exert beneficial effects in the regulation of adipocyte differentiation.

The main side effects this plant can have are shown in the list below.

  • diarrhea
  • skin inflammation
Evidence Level: ★★★☆☆

What herbs are paired with Cornus walteri?

This plant pairs best with aromatic herbs such as lavender, sage, and rosemary to complement its textured foliage and delicate structure.

Using these woody perennials creates a beautiful contrast in both leaf shape and scent profiles within a garden bed. Lavender offers a soft purple hue that mirrors the subtle tones found in many Cornus species. Sage provides a structural, silvery element that enhances the visual depth of the planting area.

Combining these specific herbs ensures a balanced ecosystem that supports pollinators while maintaining a cohesive aesthetic.

Evidence Level: ★☆☆☆☆