Achyranthes bidentata
Achyranthes bidentata · Accepted scientific name
Scientific literature: Very Sparse (7 studies) · ★☆☆☆☆
Achyranthes bidentata is a versatile medicinal plant known for its therapeutic potential in addressing various health conditions, including osteoporosis, amenorrhea, and anal fistula. Utilizing both its roots and leaves, researchers have developed diverse preparations such as extracts, ether extracts, and specific polysaccharides. These components are rich in bioactive chemicals like oleanolic acid, saponins, 20-hydroxyecdysone, and ABPP. Such compounds contribute to the plant's significant biological activities, most notably its antioxidant, anti-inflammatory, antitumor, and antiviral properties. Consequently, this species remains a subject of intense study for its potential applications in treating human ailments and animal diseases.
- Synonyms
- Achyranthes Fauriei Var. Japonica · Centrostachys Bidentata · 22 more
- Common names
- Not available
- Family
- Amaranthaceae
- Distribution
- Southern America
- Plant Parts
- Root · Leaf
Classification
Common Names
Achyranthes bidentata is a plant known by a diverse array of names across different cultures and languages. In various English-speaking regions, it is frequently referred to by the common name Ox Knee. This linguistic variety extends into other traditions, where it is called niu xi and Ngưu tất. Even within specific regional dialects, it can be identified as oxknä or Kiinantähkähäntä. These multifaceted identities highlight the global recognition and traditional importance of this unique species.
Sources: Catalogue of Life (COL)
Synonyms
Achyranthes bidentata is a botanically diverse species that is recognized by several different scientific synonyms. Within its taxonomic classifications, it is identified as Achyranthes aspera var. fruticosa. The plant also encompasses specific forms and varieties such as Achyranthes bidentata f. rubra and Achyranthes bidentata var. hachijoensis. Furthermore, its complex lineage includes the distinct varieties Achyranthes bidentata var. japonica and Achyranthes bidentata var. longifolia. Understanding these various names is essential for accurate identification within its many botanical subgroups.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Achyranthes bidentata is a remarkable species belonging to the kingdom Plantae. Within this vast biological realm, it is classified under the class Equisetopsida. The plant is further categorized into the order Caryophyllales, showcasing its unique evolutionary lineage. It resides within the genus Achyranthes, a group that defines its specific morphological traits. Finally, it is a member of the family Amaranthaceae, completing its complex botanical identity.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Caryophyllales |
| Family | Amaranthaceae |
| Genus | Achyranthes |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Achyranthes bidentata exhibits a diverse geographical range that spans across two major continents. In Africa, this species is widely distributed throughout South Tropical Africa, including regions such as Angola. Its presence extends into West Tropical Africa, specifically within Nigeria, and into the West-Central Tropical Africa region of Cameroon. Additionally, the plant can be found throughout the Gulf of Guinea Islands, further establishing its African footprint. Beyond Africa, the species also reaches into the temperate regions of Asia, specifically inhabiting North-Central China.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Achyranthes bidentata is a self-supporting herb characterized by its distinct growth form. This plant typically reaches a height of at least 0.8 meters, though it can grow as short as 0.6 meters in certain conditions. For those observing its full development, the species can reach a maximum height of approximately 1.5 meters. These varying dimensions allow the herb to establish a sturdy presence within its natural habitat. Understanding these specific height ranges and structural traits is essential for identifying the species accurately.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Achyranthes bidentata is a traditional Chinese medicinal herb recognized for its diverse and significant biological activities. Scientific research has highlighted its potent antioxidant and anti-inflammatory properties, which contribute to its substantial therapeutic potential. Furthermore, the plant exhibits notable antimicrobial effects, making it a valuable subject in pharmacological studies. Its ability to demonstrate antitumor activity further underscores its multifaceted role in medicinal applications. Recent reviews also suggest its potential antiviral properties, positioning it as a promising candidate for managing various viral infections.
Compounds
Achyranthes bidentata is a versatile medicinal herb renowned for its rich profile of pharmacologically active metabolites. Research has confirmed that the plant contains oleanolic acid, a key component studied for its potential anti-bone resorption effects. The herb is also a significant source of saponins, which have garnered attention for their ability to act as effective vaccine adjuvants. Furthermore, the chemical composition includes bioactive phytoecdysteroids such as 20-hydroxyecdysone. Detailed isolation studies from the roots have also identified specific triterpenoids, namely achyranthoside A and achyranthoside E.
Conditions
Achyranthes bidentata demonstrates significant therapeutic potential by acting as an anti-inflammatory agent through its bioactive polysaccharides. This medicinal herb is traditionally utilized in the treatment of osteoporosis and bone nonunion. Research indicates that its ethanol extract effectively targets A beta 42 by inhibiting its aggregation and preventing the formation of amyloid-like fibrils. Additionally, studies on related species suggest that such extracts can enhance dry matter digestibility in livestock. Together, these diverse biological activities highlight the complex pharmacological profile of the plant.
Preparations
Achyranthes bidentata is prepared as an extract that has been shown to protect hippocampal neurons against glutamate-induced neurotoxicity. This plant is also prepared as Achyranthes bidentata polysaccharide, which serves as the base for further derivation. Specifically, Achyranthes bidentata polysaccharide sulfate is prepared from the parent polysaccharide and has demonstrated significant anti-HIV activities. Additionally, Achyranthes bidentata is prepared as ether extracts that can induce Epstein-Barr viral early antigen expression. Finally, Achyranthes bidentata is prepared as part of Ryupunghwan (RPH), a traditional Korean medicinal formula used for its anti-osteoarthritic effects.
Parts used
Achyranthes bidentata is a significant medicinal herb in Traditional Chinese Medicine that relies on various plant parts for its therapeutic properties. Research indicates that the roots of this species are particularly important, as they serve as a primary source for pharmacologically active metabolites like oleanolic acid and ecdysterone. Beyond the roots, the leaves also play a crucial role in the plant's biological profile and are utilized in transcriptomic studies to understand secondary metabolite translocation. Studies have even explored the rhizosphere and endophytic bacteria within the roots to develop strategies for overcoming monoculture challenges in agriculture. By examining both the roots and leaves, scientists can better characterize the biosynthetic pathways that make this plant so valuable.