Pteridium caudatum
Pteridium caudatum · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Pteridium caudatum is a specialized plant species known for its unique chemical profile and biological activity. Within its tissues, it contains significant concentrations of specific compounds such as ptaquiloside and ptaquiloside Z. These chemical constituents are often studied for their potent effects and potential health implications. Researchers frequently utilize the aqueous extract of this plant to isolate and analyze these bioactive substances. Understanding the properties of Pteridium caudatum is essential for evaluating its impact in various scientific contexts.
- Synonyms
- Pteridium Aquilinum F. Glabrata · Pteridium Aquilinum Var. Caudatum · 8 more
- Common names
- Not available
- Family
- Dennstaedtiaceae
- Distribution
- Not available
- Plant Parts
- Not available
Classification
Common Names
Pteridium caudatum is a versatile species known by a diverse array of common names across different regions and languages. In many English-speaking areas, it is frequently referred to as the Lacy Bracken or the Southern bracken fern. It is also documented under the specific name Southern brackenfern in certain botanical contexts. Beyond English, the plant is recognized by the name crespililla de cola in other linguistic traditions. Furthermore, its identity is preserved in Chinese characters as 尾羽蕨, showcasing its global botanical presence.
Sources: Catalogue of Life (COL)
Synonyms
Pteridium caudatum is a botanical entity that has been identified through various taxonomic classifications over time. Throughout its scientific history, the plant has been documented under several synonymous names, including Allosorus caudatus and Cincinalis caudata. Researchers have also referred to this species as Filix-foemina aquilina var. caudata and Ornithopteris caudata in different studies. Additionally, the nomenclature includes the designation Pteridium aquilinum f. glabrata to describe its specific characteristics. Understanding these overlapping relationships is essential for maintaining accurate botanical records and ensuring consistent identification.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Pteridium caudatum belongs to the vast kingdom Plantae, representing a diverse group of multicellular organisms. Within this kingdom, the species is classified under the class Equisetopsida. It falls specifically into the order Polypodiales, showcasing its evolutionary connection to other ferns. The plant is further organized into the genus Pteridium, which defines its unique morphological characteristics. Finally, it is a member of the family Dennstaedtiaceae, completing its detailed biological hierarchy.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Polypodiinae |
| Order | Polypodiales |
| Family | Dennstaedtiaceae |
| Genus | Pteridium |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Pteridium caudatum is widely distributed across North America, with a significant presence throughout much of Mexico. Its range extends extensively into the Mexican Pacific Islands and covers vast stretches of the country's diverse terrain. This species can be found thriving in the central regions as well as along the Gulf coast. Furthermore, its habitat reaches into the northeast and northwest territories of Mexico. This broad geographical spread highlights the plant's ability to adapt to various regional environments.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Pteridium caudatum is characterized by its distinctive growth form as a herb. This plant is entirely self-supporting, allowing it to maintain its structure within its natural habitat.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Pteridium caudatum, a neotropical variety of bracken fern, serves as a significant source of bioactive sesquiterpene glucosides. Research into its aqueous extracts has successfully identified the presence of the well-known carcinogen ptaquiloside. Additionally, studies have isolated a newly discovered, unstable compound known as ptaquiloside Z from this same plant. Both of these chemical constituents exhibit substantial toxicity, as demonstrated through brine shrimp bioassays. Understanding these specific relationships is crucial for characterizing the chemical profile of this fern species.
Conditions
Preparations
Pteridium caudatum is prepared as an aqueous extract to facilitate the isolation of bioactive compounds. This specific extraction process allowed researchers to identify the new toxic sesquiterpene glucoside known as ptaquiloside Z. Through the use of reversed-phase HPLC fractionation on this extract, both ptaquiloside Z and the carcinogen ptaquiloside were successfully recovered. The resulting substances from the aqueous preparation demonstrated significant toxicity during brine shrimp bioassays. Ultimately, the preparation of this aqueous extract served as the essential method for characterizing these potent chemical constituents.