Phedimus middendorffianus

Phedimus middendorffianus · Accepted scientific name

Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆

Phedimus middendorffianus is a resilient succulent species that has garnered scientific interest due to its unique phytochemical profile. Research into this plant has identified key bioactive compounds, including the alkaloids deoxynarciclasine and hopeaphenol. To study these substances, scientists utilize various tissue culture preparations such as callus and adventitious buds. Experimental protocols often involve the use of explants derived from cotyledons to initiate controlled growth. Understanding these biological components provides valuable insights into the plant's potential medicinal applications.

Quick facts
Synonyms
Aizopsis Middendorffianum · Sedum Middendorffianum Var. Diffusum · 12 more
Common names
Not available
Family
Crassulaceae
Distribution
Not available
Plant Parts
Not available

Classification

Common Names

Phedimus middendorffianus is a versatile plant known by several distinct regional names across different languages. In English-speaking contexts, it is commonly referred to as Fedimus Middenndorfa. German speakers recognize this species as Schmalblättrige Asienfetthenne, while those in Czech territories call it rozchodník Middendorfov. The plant also holds several names in Slavic languages, such as Живучник Миддендорфа and Очиток Миддендорфа. These diverse linguistic labels highlight the global interest and widespread recognition of this charming succulent.

Sources: Catalogue of Life (COL)

Synonyms

Phedimus middendorffianus is a botanical species characterized by a complex web of taxonomic synonyms. Within scientific literature, it is frequently identified by the name Aizopsis middendorffianum. The plant also encompasses several specific varieties, including the subspecies Aizopsis middendorfiana subsp. arctuata and Phedimus middendorffianus subsp. arcuatus. Furthermore, researchers may encounter it referred to as Aizopsis zokuriensis or simply as Phedimus diffusus. Understanding these overlapping names is essential for accurate identification and consistent classification in botanical studies.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Phedimus middendorffianus is a fascinating botanical specimen belonging to the kingdom Plantae. Within this vast realm, it is specifically classified under the class Equisetopsida. The plant is further organized into the order Saxifragales, showcasing its unique evolutionary lineage. It sits proudly within the genus Phedimus, a group known for its distinct characteristics. Finally, this species is a member of the Crassulaceae family, highlighting its relationship to other succulent varieties.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Saxifragales
Family Crassulaceae
Genus Phedimus

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Phedimus middendorffianus is a resilient species primarily distributed throughout the Asia-Temperate regions. Its natural range extends across the diverse landscapes of China and Manchuria, showcasing its adaptability to various environments. The plant is also well-established in Eastern Asia, specifically within the territories of Japan and Korea. Furthermore, its presence can be found in the Russian Far East, spanning both the Amur and Khabarovsk regions. This broad geographic footprint highlights the significant role the species plays across the temperate ecosystems of East Asia.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Phedimus middendorffianus is a charming herbaceous plant that adds a delicate texture to any garden landscape. It maintains a compact profile, typically reaching a maximum height of only 0.15 meters. This low-growing species generally stays consistent in size, with most specimens measuring at least 0.1 meters tall.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Compounds

Phedimus middendorffianus, also referred to as Sedum middendorffianum, has demonstrated significant potential in pharmacological studies involving Korean medicinal plants. Research indicates that this specific plant is highly active in inhibiting the proliferation of human leukemia cells. Its therapeutic efficacy is largely attributed to its chemical composition, as it contains the potent phytochemicals deoxynarciclasine and hopeaphenol. These two compounds were identified as the most cytotoxic elements among the extracts tested during the study. Consequently, the presence of these constituents supports the possible use of this plant in the development of future tumor treatments.

Conditions

Phedimus middendorffianus demonstrates significant cytotoxic activity against human CCRF-CEM leukemia cells. In a study evaluating 280 Korean medicinal plants, this specific species was identified as one of the most active samples tested. Its ability to inhibit the proliferation of leukemia cells was quantified using the resazurin assay. The research highlights the plant's potential as a source of phytochemicals for tumor treatment. Consequently, the extract plays a critical role in the investigation of medicinal plants used to combat specific cancer cell lines.

Preparations

Phedimus middendorffianus is prepared as explants through the use of cotyledons and hypocotyls. These specific plant parts are utilized to induce the formation of callus on MS media supplemented with various hormone concentrations. Once the callus is successfully established, it serves as the foundation for further development. From this callus, numerous adventitious buds can be formed under specific hormonal conditions. Through this structured tissue culture process, the plant progresses from its initial explant state to the production of buds.

Parts used