Houttuynia cordata

Houttuynia cordata · Accepted scientific name

Scientific literature: Very Sparse (9 studies) · ★☆☆☆☆

Houttuynia cordata is a versatile medicinal plant whose therapeutic potential is derived from its leaves, roots, flowers, and rhizomes. Rich in bioactive compounds such as flavonoids, quercitrin, quercetin, and 2-undecanone, it exhibits significant antioxidant, antiviral, anthelmintic, and antibacterial activities. Various preparations, including essential oils, volatile oils, 50% aq. EtOH extracts, and HCF, are utilized to harness these chemical properties. These medicinal qualities make the plant a valuable resource in addressing health conditions like cancer, pneumonia, colds, and fever. Consequently, this species remains a subject of intense interest for both traditional medicine and modern pharmacological research.

Quick facts
Synonyms
Houttuynia Emeiensis · Houttuynia Cordata Var. Plena · 6 more
Common names
Not available
Family
Saururaceae
Distribution
Not available
Plant Parts
Leaf · Root

Classification

Common Names

Houttuynia cordata is a versatile plant known by many different names across various cultures and regions. It is widely recognized by its common moniker, the Chameleon Flower, or sometimes simply as the Chameleon Plant. In certain English-speaking contexts, it is also referred to as the Chameleon-flower. Those interested in its culinary or medicinal uses might know it by its distinctive name, Fish mint. Additionally, it is affectionately called Amis-amisan in specific local dialects.

Sources: Catalogue of Life (COL)

Synonyms

Houttuynia cordata is a versatile plant that is recognized through several botanical synonyms in scientific literature. Within its taxonomic range, it includes specific forms such as Houttuynia cordata f. polypetaloidea and Houttuynia cordata f. viridis. The plant also encompasses various cultivated forms, including the full-bodied Houttuynia cordata var. plena and the patterned Houttuynia cordata var. variegata. Additionally, some classifications refer to the species under the name Houttuynia emeiensis. These diverse naming conventions highlight the complex morphological variations found within this single species.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Houttuynia cordata is a unique member of the kingdom Plantae that showcases a fascinating biological lineage. Within this vast kingdom, the plant is classified under the class Equisetopsida. It belongs to the order Piperales, a group that highlights its specific evolutionary path. Further narrowing its identity, it is placed within the genus Houttuynia. Finally, this distinctive species is a proud member of the Saururaceae family.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Piperales
Family Saururaceae
Genus Houttuynia

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Houttuynia cordata is a versatile plant found widely across various regions of the Asia-Temperate zone. Its natural distribution spans much of mainland China, including the North-Central and South-Central territories. The species also thrives in the humid environments of China Southeast and the tropical landscapes of Hainan. Furthermore, it can be discovered growing within the unique high-altitude terrain of Tibet. This widespread presence highlights the plant's ability to adapt to diverse Chinese climates and ecosystems.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Houttuynia cordata is a self-supporting herb characterized by its distinctive growth form. This plant typically reaches a modest stature, with heights ranging from a minimum of 0.2 m to a maximum of 0.6 m. Depending on its environment, it often stabilizes at a mid-range height of approximately 0.45 m. These physical attributes make it a compact addition to any garden setting. Its sturdy structure ensures it remains upright without the need for external support.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Houttuynia cordata is a versatile medicinal plant recognized for its extensive range of biological activities. Research demonstrates that its extracts possess strong antioxidant and antiviral properties, which have been shown to inhibit viral replication and mitigate lung injury. The plant also exhibits significant antibacterial effects, particularly through components like sodium new houttuyfonate that enhance macrophage phagocytosis. Furthermore, specific phytochemicals found within the plant, such as betulinic acid, have demonstrated potent anthelmintic activity against zoonotic parasites. Beyond these uses, advanced network pharmacology suggests that its unique terpenoids hold significant anticancer potential by interacting with key cellular targets.

Compounds

Houttuynia cordata is a highly valued medicinal herb characterized by a diverse profile of bioactive chemical constituents. Research confirms that the plant is rich in flavonoids, which serve as essential components for its various therapeutic properties. Specific important flavonoids identified within the plant include quercetin, hyperin, and quercitrin. Beyond these polyphenols, the plant also contains the volatile compound 2-undecanone, which is a key metabolite found in its essential oil and underground parts. Together, these various chemical relationships underscore the complex biological potential of the species in pharmaceutical and cosmetic applications.

Conditions

Houttuynia cordata exhibits significant therapeutic potential in treating cancer through its diverse phytochemicals and targeted metabolic pathways. The plant is also utilized for treating pneumonia, specifically by utilizing flavonoids to alleviate acute lung injury and inhibit viral replication. Its strong anti-inflammatory properties allow it to protect organs and reduce the release of inflammatory factors. Additionally, Houttuynia cordata is traditionally used to treat the common cold and related symptoms like fever and cough. Finally, the plant serves a vital role in detoxifying the body, a property historically recognized in Chinese medicine for heat-clearing and toxin removal.

Preparations

Houttuynia cordata is prepared as essential oil and volatile oil, both of which undergo chemical analysis and purification to enhance their biological activities. The plant is also prepared as a 50% aq. EtOH extract to isolate specific flavonoid derivatives that exhibit antiviral properties. Furthermore, it is prepared as HCF, a concentrated extract rich in flavonoid glycosides used to mitigate acute lung injury in mice. Finally, Houttuynia cordata is prepared as an injection that demonstrates significant prophylactic and therapeutic effects against influenza virus infections.

Parts used

Houttuynia cordata is a versatile medicinal and edible plant that possesses several distinct morphological parts. Its leaves are highly valued for their antioxidant capacity and high flavonoid content, while the stems serve as a key component of its above-ground structure. The underground portions, specifically the roots and rhizomes, contain significant medicinal compounds like 2-undecanone and are essential for studying the plant's interaction with soil microbiota. Additionally, the flowers play a notable role in the plant's chemical profile, particularly regarding the distribution of certain aristololactams. By utilizing all these parts, researchers can better understand the diverse nutritional and pharmacological potential of this complex species.