Cornus alternifolia

Cornus alternifolia · Accepted scientific name

Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆

Cornus alternifolia, commonly known as the Pagoda dogwood, is a distinctive deciduous shrub prized for its unique horizontal branching pattern. Scientific interest in this species often focuses on its chemical composition, particularly the presence of the compound iridolactone. Researchers frequently utilize the plant's leaf to study its bioactive properties and potential medicinal benefits. Through the creation of various extracts, scientists can isolate specific constituents for detailed pharmacological analysis. Understanding these leaf-derived preparations provides valuable insight into the botanical complexity of this ornamental species.

Quick facts
Synonyms
Cornus Plicata · Cornus Rotundifolia · 16 more
Common names
Not available
Family
Cornaceae
Distribution
Asia-Tropical
Plant Parts
Leaf

Classification

Common Names

Cornus alternifolia is most frequently recognized by its English common name, the alternateleaf dogwood. In various regions, it is also referred to as the alternate-leaved dogwood to describe its unique foliage pattern. Spanish speakers may identify this species as Cornejo de Hojas Alternas. Meanwhile, in Dutch-speaking areas, the plant is known as the Pagodekornoelje. Regardless of the name used, this distinctive shrub remains a notable member of its genus.

Sources: Catalogue of Life (COL)

Synonyms

Cornus alternifolia is a species known to be associated with several botanical synonyms that reflect its diverse classifications. Within taxonomic records, it is identified by the name Bothrocaryum alternifolium, as well as the simplified variation Cornus alterna. The plant also encompasses several distinct forms that highlight unique physical characteristics. These include the variegated varieties known as Cornus alternifolia f. albomarginata and Cornus alternifolia f. albovariegata. Additionally, the silver-toned expression of the species is recognized under the synonym Cornus alternifolia f. argentea.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Cornus alternifolia is a distinct member of the kingdom Plantae. Within this vast biological realm, the species belongs to the class Equisetopsida. It is further categorized under the order Cornales, which defines its structural lineage. This plant is a specific representative of the genus Cornus, showcasing its unique morphological traits. Finally, its taxonomic placement is completed within the family Cornaceae.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Cornales
Family Cornaceae
Genus Cornus

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Cornus alternifolia is a resilient species widely distributed across the diverse landscapes of Northern America. Within this vast range, it maintains a significant presence throughout Eastern Canada, stretching from the lush forests of Ontario to the coastal regions. The plant is frequently found in the maritime provinces, including New Brunswick, Nova Scotia, and Prince Edward Island. Its reach even extends to the rugged terrain of Newfoundland, showcasing its adaptability to various climates. Collectively, these regions form a vital part of the natural habitat that supports this important species.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Cornus alternifolia is a self-supporting plant that adopts a distinct tree growth form. It reaches a maximum height of approximately 8.37 meters as it matures. This structure allows it to stand firmly within its natural habitat.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Compounds

Cornus alternifolia serves as a significant source of bioactive compounds that demonstrate potential in medicinal research. Through the detailed analysis of its leaves, researchers have successfully isolated several unique chemical constituents. Among these findings, the plant was found to contain a specific iridolactone as part of a group of new iridoid glycosides. These isolated substances, including the iridolactone, are being studied for their ability to act as ligands for nuclear receptors. Ultimately, this relationship highlights the plant's importance in discovering novel agonists for regulating cholesterol and metabolic processes.

Conditions

Cornus alternifolia contains bioactive compounds that act as agonists for several important nuclear receptors. Specifically, the plant extracts demonstrate the ability to treat LXR through potent agonistic activity. Research also indicates that its components are effective in treating PPARα and PPARγ. By modulating these specific receptors, the plant plays a significant role in the regulation of cholesterol homeostasis. These therapeutic relationships are primarily driven by identified compounds like Kaempferol-3-O-β-glucopyranoside found within its leaves.

Preparations

Cornus alternifolia is prepared as extracts to investigate its potential medicinal properties and bioactive compounds. These extracts were specifically derived from the leaves of the plant to facilitate the screening of potential PPARγ agonists. Through the process of extraction and fractionation via high-performance liquid chromatography, various chemical constituents were isolated. This preparation allowed researchers to identify several new iridoid glycosides and known compounds within the plant material. Ultimately, the use of these extracts enabled the discovery of ligands that exhibit significant agonistic activities for nuclear receptors.

Parts used

Cornus alternifolia serves as a significant source of bioactive compounds for medicinal research. Specifically, researchers have focused on extracting valuable chemical constituents from the plant's leaf. Through high-performance liquid chromatography, several new iridoid glycosides and known compounds were isolated from these leaf extracts. One notable compound identified from the leaves, Kaempferol-3-O-β-glucopyranoside, demonstrated potent agonistic activities for various nuclear receptors. This study highlights the importance of the Cornus alternifolia leaf in discovering potential ligands for regulating cholesterol homeostasis and metabolic functions.