Rauvolfia tetraphylla
Rauvolfia tetraphylla · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Rauvolfia tetraphylla is a versatile medicinal plant recognized for its significant pharmacological activities, including antihypertensive and adrenergic-blocker properties. Beyond its traditional uses, research has explored its potential in addressing complex conditions such as triple negative breast cancer. The plant's bioactive compounds are frequently studied through various preparations, most notably the methanolic extract (RTE). To support large-scale botanical research, advanced propagation techniques are utilized, ranging from standard plantlets to synseed-derived plantlets. Furthermore, the development of synthetic seeds offers a sophisticated method for maintaining the genetic integrity and availability of this medicinal resource.
- Synonyms
- Rauvolfia Canescens Var. Glabra · Rauvolfia Canescens Var. Intermedia · 9 more
- Common names
- Not available
- Family
- Apocynaceae
- Distribution
- Not available
- Plant Parts
- Not available
Classification
Common Names
Rauvolfia tetraphylla is a versatile plant recognized by a diverse array of local names across different regions. It is frequently referred to as the Be still tree, a moniker that hints at its potent biological properties. In various communities, it is also known by the names Chalchupa and Chilillo. Some locals identify the species as Piñique-piñique, adding to its rich linguistic variety. Finally, it is sometimes called Veneno de gusano, illustrating the many ways this single plant is categorized in folk tradition.
Sources: Catalogue of Life (COL)
Synonyms
Rauvolfia tetraphylla is a botanical species known to encompass several taxonomic synonyms within its classification. It is closely linked to various forms of Rauvolfia canescens, specifically the varieties glabra, intermedia, and tomentosa. Furthermore, the plant is associated with the synonym Rauvolfia heterophylla. This relationship extends even further to include the specific variety Rauvolfia heterophylla var. puberula. Understanding these connections is essential for accurate botanical identification and study.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Rauvolfia tetraphylla is a distinctive botanical specimen belonging to the kingdom Plantae. Within this vast biological realm, it is specifically classified under the class Equisetopsida. The plant is further organized into the order Gentianales, showcasing its unique evolutionary lineage. It holds a specialized position within the family Apocynaceae, a group known for diverse medicinal properties. Finally, this species is identified by its specific genus, Rauvolfia, which defines its fundamental characteristics.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Gentianales |
| Family | Apocynaceae |
| Genus | Rauvolfia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Rauvolfia tetraphylla exhibits a widespread presence across diverse ecological zones throughout Asia. In the temperate regions, the species is well-established within various parts of China, including the South-Central and Southeast provinces as well as the island of Hainan. Its range extends further into Eastern Asia, where it can be found growing in Taiwan. Beyond these temperate areas, the plant also thrives in tropical environments. Specifically, it is documented within the Indian Subcontinent, with notable populations located in Assam.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Rauvolfia tetraphylla is a self-supporting plant that typically presents a shrub-like growth form. It maintains a compact stature, reaching a maximum height of only 1 meter. This modest size makes it an easy addition to various garden landscapes.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Rauvolfia tetraphylla is a significant medicinal species recognized for its potent antihypertensive properties. To support the conservation of this valuable drug-producing plant, researchers have developed an effective synseed technology for in vitro regeneration. By encapsulating buds in sodium alginate and storing them at low temperatures, scientists can successfully produce stable plantlets. These synseed-derived clones maintain high genetic fidelity and biochemical profiles comparable to the original mother plants. Ultimately, this protocol offers a reliable method for the clonal multiplication and long-term exchange of this essential medicinal germplasm.
Compounds
Rauvolfia tetraphylla is an essential medicinal plant that has long been utilized in traditional medicine for a variety of treatments. Recent research has focused on its potential as a tumor suppressor, specifically through the study of its methanolic extract and its constituent phytocompounds. This plant contains valuable isolated compounds such as ajmaline and reserpine, which are critical to its biological activity. In experimental studies involving triple-negative breast cancer, reserpine demonstrated particularly promising cytotoxic effects compared to ajmaline. These findings suggest that the chemical components found within Rauvolfia tetraphylla could eventually serve as significant therapeutic agents against cancer.
Conditions
Rauvolfia tetraphylla serves as a potent source for anti-hypertension drugs and demonstrates significant therapeutic potential against the MDA-MB-231 triple-negative breast cancer cell line. Its methanolic extracts and isolated compounds actively induce an apoptotic effect in these cancer cells by regulating Hippo signaling pathways. The plant also facilitates cell cycle inhibition, specifically observed through the arrest of cells in the G0/G1 phase. Furthermore, treatment with the plant's extracts leads to increased ROS stress, which contributes to its overall anti-proliferative and cytotoxic capabilities.
Preparations
Rauvolfia tetraphylla is prepared as a methanolic extract (RTE) to investigate its potential cytotoxic and anti-proliferative effects against triple-negative breast cancer cells. In biotechnological applications, the species is prepared as synthetic seeds through the encapsulation of in vitro-proliferated shoots. These synthetic seeds are then utilized to produce synseed-derived plantlets, which demonstrate high conversion rates on specific woody plant media. Once developed, these plantlets are hardened and successfully transplanted into field conditions for further study. Ultimately, the research confirms that the resulting plantlets maintain genetic stability and comparable physiological profiles to the mother plant.