Ophiopogon japonicus
Ophiopogon japonicus · Accepted scientific name
Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆
Ophiopogon japonicus is a versatile plant utilized in various medicinal preparations, including decoctions, crude polysaccharides, and the 70% ethanol extract of its rhizomes. Derived from the root, leaf, flower, and rhizome, its therapeutic potential is often harnessed through specialized formulations like the BuZangTongLuo formula (BZTLF). The plant contains significant bioactive compounds, such as Ophiopogonin D and several specific chroman-4-one derivatives, which drive its medicinal efficacy. These chemical constituents contribute to diverse biological activities, including antioxidant, antitumor, ACE-inhibitor, and aggregant properties. Consequently, it is frequently employed to address clinical conditions such as coughs, cardiovascular diseases, cerebral ischemia, and oxidative stress.
- Synonyms
- Ophiopogon Japonicus Var. Elevatus · Ophiopogon Gracilis Var. Brevipedicellatus · 23 more
- Common names
- Not available
- Family
- Asparagaceae
- Distribution
- Asia-Tropical
- Plant Parts
- Root · Leaf
Classification
Common Names
Ophiopogon japonicus is a versatile plant recognized by a wide variety of names across different cultures and languages. In English-speaking regions, it is most frequently referred to as Mondo Grass or Dwarf Lily-turf. Its international reach is evident through names like Bodur Osmanlı çimi and Mughetto giapponese. In certain Spanish-speaking contexts, the plant is also known as Grama pelo de urso. Regardless of the name used, this resilient species remains a popular choice for gardeners worldwide.
Sources: Catalogue of Life (COL)
Synonyms
Ophiopogon japonicus is a versatile plant that has been identified by several different botanical names throughout history. Scientific literature often lists synonyms such as Convallaria graminifolia and Convallaria japonica to describe its various forms. This taxonomic complexity extends to specific varieties, including the classification known as Convallaria japonica var. minor. Additionally, the species has been associated with names like Flueggea anceps and Flueggea japonica in different contexts. Understanding these overlapping relationships is essential for accurate identification in botanical studies.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Ophiopogon japonicus is a fascinating specimen belonging to the kingdom Plantae. Within this vast botanical realm, it is classified under the class Equisetopsida. The plant is further organized into the order Asparagales, showcasing its specific evolutionary lineage. It resides within the diverse family Asparagaceae, which highlights its structural characteristics. Ultimately, this hardy species is identified by its distinct genus, Ophiopogon.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Asparagales |
| Family | Asparagaceae |
| Genus | Ophiopogon |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Ophiopogon japonicus is a resilient plant with a broad natural distribution across the temperate regions of Asia. Within China, it can be found thriving in the North-Central, South-Central, and Southeast territories. Its presence extends beyond the Chinese mainland into the Eastern Asian landscapes of Japan and Korea. This wide geographic range highlights the species' ability to adapt to diverse environments across the continent. Consequently, understanding these regional connections is essential for studying the plant's ecological footprint.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Ophiopogon japonicus is a compact herb characterized by its sturdy, self-supporting growth habit. This resilient plant maintains a modest stature, reaching a maximum height of only 0.3 meters. Its low-profile structure makes it an ideal choice for creating dense, consistent groundcover in various garden settings.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Ophiopogon japonicus is a precious medicinal plant recognized for its significant therapeutic potential in modern pharmacology. Research indicates that its tuberous roots are rich in bioactive flavonoids, which provide essential antioxidant properties. Furthermore, the plant hosts unique endophytic bacteria, such as Bacillus amyloliquefaciens, that contribute to its medicinal profile. Studies have demonstrated that exopolysaccharides derived from these endophytes exhibit notable antitumor activity against specific gastric carcinoma cell lines. Together, these findings highlight the plant's multifaceted role as a promising natural source for developing antioxidant and anticancer treatments.
Compounds
Ophiopogon japonicus is a renowned medicinal plant characterized by a complex profile of bioactive chemical constituents. The plant contains various glycosides and flavonoids, which contribute to its significant antioxidant and anti-inflammatory properties. Research highlights that its tuberous roots are a rich source of specific saponins, including ophiopogonin D and ophiopogonin D'. These essential compounds, such as ophiopogonin D, are critical markers for assessing the pharmacological quality and authenticity of the species. Ultimately, the concentration of these diverse metabolites varies based on geographic origin and environmental stressors.
Conditions
Ophiopogon japonicus serves as a vital component in traditional decoctions used to treat dry eye disease (DED) by reducing corneal inflammation. The polysaccharides derived from this plant can improve levels of GSH-Px while simultaneously decreasing MDA levels to provide antioxidative benefits. Research also identifies Ophiopogon japonicus as an important medicinal plant used in traditional Chinese medicine for the treatment of HIV. Furthermore, its polysaccharides demonstrate potential anti-diabetic effects by modulating specific protein expressions in IR HepG2 cells. These diverse therapeutic properties highlight the plant's significant biological impact across various medical applications.
Preparations
Ophiopogon japonicus is prepared as a 70% ethanol extract of its rhizomes to investigate the isolation of unique steroidal glycosides. This plant is also used to prepare the BuZangTongLuo formula (BZTLF), which has shown potential in treating diabetic hindlimb ischemia. For the purpose of studying anti-myocardial ischemic properties, crude polysaccharides are prepared from the tube root fraction. Additionally, the plant is utilized in a decoction combined with other traditional medicines to ameliorate ocular irritation in dry eye models. Finally, the plant is traditionally recognized and prepared as Radix Ophiopgonis for use as medicinal material.
Parts used
Ophiopogon japonicus is a highly valued medicinal plant that contains a diverse array of bioactive compounds distributed throughout its various structures. Research indicates that the leaves are particularly rich in flavones, while the tuberous roots serve as a significant source of homoisoflavonoids and antioxidant flavonoids. The rhizomes of the plant have been found to yield unique steroidal saponins, including unusual spirostanols with rearranged ring systems. Additionally, the flowers contain specific chemical constituents such as beta-sitosterol and luteolin that have been identified through spectral analysis. Finally, both the roots and stems provide habitats for endophytic fungi that produce metabolites with potent antimicrobial activities.