Lycoris radiata
Lycoris radiata · Accepted scientific name
Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆
Lycoris radiata is a fascinating plant species recognized for its diverse pharmacological potential and bioactive chemical profile. It contains significant compounds such as galanthamine and 11-O-Acetylhaemanthamine, which contribute to its notable acetylcholinergic properties. Researchers utilize preparations like the bulb and 70% ethanol extract to study its antibacterial and antiviral activities against threats such as Coronavirus. These chemical constituents offer therapeutic promise for managing complex conditions, including Alzheimer's Disease and issues related to blood pressure or bradycardia. Through its unique biochemical makeup, this species continues to serve as a vital subject in medicinal research.
- Synonyms
- Lycoris Radiata Var. Kazukoana · Lycoris Radiata F. Bicolor · 7 more
- Common names
- Not available
- Family
- Amaryllidaceae
- Distribution
- Southern America
- Plant Parts
- Not available
Classification
Common Names
Lycoris radiata is a captivating botanical species known by a diverse array of names across different cultures. In many regions, it is affectionately referred to as the Amaryllis du Japon or the striking Bakung labah labah merah. Those familiar with Eastern traditions often call it the Higanbana, reflecting its deep cultural significance. In French-speaking areas, the plant is poetically described as the Fleur aux 600 noms. Finally, it is also recognized by the unique name Banguotoji šypsuolė, illustrating its widespread global presence.
Sources: Catalogue of Life (COL)
Synonyms
Lycoris radiata is a complex botanical subject that is often identified through various scientific synonyms. Within taxonomic literature, you may encounter this species referred to as Amaryllis radiata. The plant also encompasses specific forms such as Lycoris radiata f. bicolor, which highlights its color variations. Furthermore, several distinct varieties have been documented, including Lycoris radiata var. kazukoana and Lycoris radiata var. pumila. Finally, the classification is rounded out by the recognized synonym Lycoris radiata var. terraccianii.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Lycoris radiata belongs to the vast kingdom Plantae, marking its place among the diverse world of living plants. Within this realm, it is classified under the class Equisetopsida and the order Asparagales. This striking flower is a proud member of the Amaryllidaceae family, known for its unique ornamental qualities. Furthermore, it is categorized under the specific genus Lycoris. Through this biological hierarchy, its complex botanical identity is clearly defined.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Asparagales |
| Family | Amaryllidaceae |
| Genus | Lycoris |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Lycoris radiata exhibits a diverse geographical range that spans across several distinct global regions. In the temperate zones of Asia, the species is widely established throughout various parts of China, including its northern, south-central, and southeastern territories. Its presence is also notable in Eastern Asia, particularly within the islands of Japan. Beyond the Asian continent, the plant extends its reach into Africa and the Western Indian Ocean. This distribution specifically includes the Seychelles, highlighting its ability to thrive in varied environments.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Lycoris radiata grows in a delicate herb form, emerging from the soil to display its striking features. As a self-supporting plant, it maintains its upright structure without the need for external assistance.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Lycoris radiata is a visually striking plant that holds significant medicinal potential beyond its ornamental value. Recent scientific investigations have highlighted its alkaloid compounds, which possess potent antibacterial properties. Furthermore, research into the plant's bulbs has revealed that certain isolated alkaloids exhibit notable antiviral activities. Specifically, these compounds have shown the ability to inhibit the replication of highly pathogenic influenza viruses by targeting the ribonucleoprotein complex. These dual pharmacological capabilities suggest that Lycoris radiata could serve as a vital source for developing new therapeutic drug candidates.
Compounds
Lycoris radiata is a significant medicinal plant known for its complex profile of bioactive alkaloids. Research indicates that this species contains galanthamine, a renowned metabolite utilized in the palliative treatment of Alzheimer's disease. In addition to this well-known compound, the plant also harbors homolycorine and 11-O-acetylhaemanthamine. Studies on its chemical constituents have further identified the presence of deoxynarciclasine, which has shown notable cytotoxicity in certain cell lines. Together, these diverse alkaloids highlight the pharmaceutical potential of Lycoris radiata in modern medicine.
Conditions
Lycoris radiata serves as a vital source of galanthamine, a metabolite used in the palliative treatment of Alzheimer's disease. The plant's alkaloids also demonstrate significant neuroprotective capabilities by treating Aβ(25-35)-induced SH-SY5Y cell injury. Additionally, specific compounds isolated from its bulbs help treat cell death induced by both CoCl2 and H2O2 in SH-SY5Y cells. Beyond its medicinal applications, the plant's internal regulatory mechanisms, such as the WRKY gene family, are actively involved in responding to drought stress. Together, these properties highlight the complex biological importance of the species in both human health and environmental adaptation.
Preparations
Lycoris radiata is prepared as a bulb to facilitate the determination of specific alkaloids like galanthamine and pseudolycorine. These bulb-based studies utilize advanced analytical techniques such as RP-HPLC and capillary electrophoresis to ensure accurate chemical evaluations. Furthermore, Lycoris radiata is prepared as a 70% ethanol extract to isolate various alkaloid types from its bulbs. This specific extraction process allows researchers to obtain chloroform-soluble fractions containing aporphine, lycorine, crinane, and phenanthridine-type alkaloids. Through these preparation methods, scientists can successfully identify and elucidate the complex chemical structures within the plant.