Pinellia ternata

Pinellia ternata · Accepted scientific name

Scientific literature: Very Sparse (19 studies) · ★☆☆☆☆

Pinellia ternata is a versatile medicinal plant known for its significant therapeutic potential in traditional practices. Utilizing various parts such as the rhizome, leaf, root, and stem, this species is frequently prepared as tubers or through hydroponic cuttings. The plant contains bioactive chemicals including flavonoids, guanosine, (-)-epigallocatechin, and 2-pentylpyridine. These compounds provide essential pharmacological activities, most notably acting as an antibacterial, analgesic, antitussive, and expectorant agent. Consequently, it is widely utilized to treat conditions such as coughs and to alleviate the effects of heat stress.

Quick facts
Synonyms
Arum Bulbosum · Arisaema Macrourum · 23 more
Common names
Not available
Family
Araceae
Distribution
Not available
Plant Parts
Rhizome · Leaf

Classification

Common Names

Pinellia ternata is a versatile plant known by a wide variety of regional and linguistic identifiers. It is frequently referred to by its straightforward common name, pinellia, or its more specific designation, pinellie ternée. In certain contexts, you may encounter it called ban xia, a name often used in traditional herbal discussions. Other cultural variations include the term crowdipper or the German name dreizählige Pinellie. Regardless of which name is used, these diverse labels all point to the same unique botanical species.

Sources: Catalogue of Life (COL)

Synonyms

Pinellia ternata is a complex botanical subject that has been identified by numerous scientific synonyms throughout history. Researchers have frequently linked this species to various classifications, including the name Alocasia ternata. Its taxonomic history also includes connections to several members of the Arisaema genus, such as Arisaema loureiroi, Arisaema macrourum, and Arisaema ternatum. Furthermore, some botanical records have historically associated the plant with the name Arum bulbosum. Understanding these overlapping designations is essential for navigating the intricate web of plant nomenclature.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Pinellia ternata belongs to the vast kingdom Plantae, representing a diverse branch of the living world. Within this kingdom, the plant is categorized under the class Equisetopsida. It further falls into the order Alismatales, which helps define its evolutionary lineage. As a member of the family Araceae, it shares characteristic traits with many other aroids. Finally, this specific species is classified under the genus Pinellia, distinguishing it from its botanical relatives.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Alismatales
Family Araceae
Genus Pinellia

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Pinellia ternata is a plant widely distributed across the diverse climates of the Asia-Temperate region. Within China, its presence is felt across various geographical landscapes, ranging from the North-Central provinces to the Southeast. The species also thrives in the South-Central territories, demonstrating a significant adaptability to different environments. Its reach extends even further north into Inner Mongolia, showcasing a remarkable range for the species. Additionally, the plant can be found as far south as the tropical island of Hainan, illustrating its broad ecological footprint.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Pinellia ternata is a distinctive herb characterized by its sturdy, self-supporting growth form. This plant typically maintains a relatively modest stature within its natural habitat. Depending on environmental conditions, its height generally ranges from a minimum of 0.15 m to a maximum of 0.4 m. These physical traits make it a compact and stable addition to any botanical study.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Pinellia ternata is a highly valued medicinal herb widely utilized in China, Korea, and Japan for its diverse pharmacological properties. Research has demonstrated that the plant possesses significant antibacterial activity, which can be further enhanced by the presence of specific endophytic fungi. It is frequently employed in traditional medicine as an effective antitussive and expectorant to treat various respiratory ailments. Furthermore, the plant exhibits notable antiemetic effects, making it a reliable remedy for managing vomiting and nausea. Beyond these functions, Pinellia ternata also provides analgesic benefits, contributing to its broad spectrum of therapeutic applications.

Compounds

Pinellia ternata is a significant medicinal herb characterized by a diverse and complex chemical profile. Research indicates that this plant contains guanosine, a compound whose levels can be enhanced through inoculation with arbuscular mycorrhizal fungi. Detailed metabolic imaging has also identified the presence of 2-pentylpyridine within the rhizome, showing specific accumulation patterns during development. Environmental stressors further influence its composition, such as when high temperatures cause an increase in the endogenous hormone ABA. Additionally, the plant's volatile organic compounds include benzeneacetonitrile, while its flavonoid biosynthesis pathways are linked to the production of chlorogenic acid.

Conditions

Pinellia ternata is widely utilized in traditional medicine to treat cough and acts as an effective expectorant to help dispel phlegm. The plant's medicinal efficacy is well-documented, although its raw form contains calcium oxalate crystals that cause significant irritation. During its cultivation, the plant is highly sensitive to heat stress, which can negatively impact its physiological processes and photosynthetic rates. This thermal sensitivity often leads to a phenomenon known as sprout tumble, a condition that can be mitigated through shading or salicylic acid application.

Preparations

Pinellia ternata is prepared as tubers, which serve as a well-known traditional Chinese medicine used for antitussive and expectorant purposes. This plant is also prepared as hydroponic cuttings to increase seedling production rates through efficient cultivation technologies. In its raw Pinellia ternata form, the plant contains needle-like calcium oxalate crystals that can cause significant irritation. Additionally, Pinellia ternata is prepared as a rhizome, a part of the plant used for studying metabolite accumulation and protein purification. Finally, the plant is prepared as tubers for various research purposes, including the isolation of endophytic fungi.

Parts used

Pinellia ternata is a versatile medicinal plant characterized by several distinct morphological components. Scientific research highlights that the plant contains a rhizome, which is frequently studied for its complex lipid and bioactive chemical profiles. The various leaves of the species also exhibit morphological variations that influence the spatial distribution of metabolites within the plant. Additionally, the stem and root structures serve as important areas for the isolation of endophytic fungi and the study of antifungal properties. Together, these anatomical parts contribute to the diverse pharmacological and therapeutic potential of the species.