Vessels in some apocynaceae
Journal name: Ancient Science of Life
Original article title: Vessels in some apocynaceae
The ANSCI is a peer-reviewed, open-access journal focused on Ayurveda and traditional medicines. It publishes original research, reviews, and literary studies linking traditional knowledge with modern science, covering disciplines like botany, ethnomedicine, pharmacology, and clinical research.
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Original source:
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Anita Nag, Shashikala Kshetrapal
Ancient Science of Life:
(A quarterly multi-disciplinary scientific research journal in Ayurveda)
Full text available for: Vessels in some apocynaceae
Year: 1988
Copyright (license): CC BY-NC-SA
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Summary of article contents:
Introduction
The study undertaken by Anita Nag and Shashikala Kshetrapal focuses on the anatomical characteristics of vessels in 24 species from the family Apocynaceae. The research highlights the variability in vessel size, shape, number of perforation plates, and intervascular wall thickening within this family. By examining these features, the authors aim to contribute to the understanding of the evolutionary and systematic significance of vessel structures, which can aid in the identification of medicinal plants and assist in pharmaceutical applications.
Variation in Vessel Structure
One key concept from the investigation is the variation in vessel size, categorized into long, medium, and short vessels. Long vessels exhibited a length range of 1700–192 micrometers and a diameter range of 60–16 micrometers, with Catharanthus roseus presenting the longest and Trachelospermum divaricatum the shortest. Medium vessels ranged from 306–68 micrometers in length and 54–8 micrometers in diameter, with overlaps in observations across species. Short vessels showed a length range of 150–36 micrometers and a diameter from 42–8 micrometers. This extensive variation in vessel dimensions underscores their evolutionary adaptability and potential roles in the vascular systems of plants.
Conclusion
The findings of this research illustrate the diverse anatomical features of vessels in Apocynaceae, indicating a significant variation in size, shape, and structural characteristics such as perforation plates and wall thickening. This variability is not only important for taxonomic classification but also enhances our understanding of the evolutionary relationships within vascular plants. Ultimately, the study emphasizes the necessity for further anatomical investigations within this family to fully realize its implications in pharmacognosy, especially for identifying medicinal plants and their potential uses.
FAQ section (important questions/answers):
What was the main objective of the vessel study in Apocynaceae?
The study aimed to investigate variations in vessel size, shape, perforation plates, and wall thickening in 24 species of the Apocynaceae family, highlighting their pharmacognostic importance and evolutionary significance.
How were the tissues prepared for vessel analysis in the study?
Tissues collected from various localities were fixed in F.A.A., then macerated following Jane's method. After thorough washing, they were stained in safranin and mounted in glycerine jelly for examination.
What types of vessel sizes were identified in the study?
The vessels were classified into three size types: long, medium, and short. Measurements varied significantly, with long vessels reaching an average length of 406 µm, while short vessels averaged 77 µm in length.
What variations were observed in the vessel perforation plates?
Most vessels commonly exhibited two perforation plates, but variations included one, three, or four plates. The shapes of the perforation plates were also diverse, ranging from oval to circular, with different arrangements.
Glossary definitions and references:
Scientific and Ayurvedic Glossary list for “Vessels in some apocynaceae”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.
1) Nerium indicum:
Nerium indicum is a species studied for its vessel characteristics within the Apocynaceae family. The observations on this species highlighted variations in vessel size and structure. It serves as an important botanical entity in pharmacognostic studies due to its usage in traditional medicine.
2) Vallari (Vallarī):
Vallari, specifically Vallaris solanacea, is included in the study of the Apocynaceae family. It demonstrates variations in vessel structure and wall thickening. Its anatomical features enhance the understanding of vascular plant diversity and significance in botanical education and medicinal applications.
3) Thevetia peruviana:
Thevetia peruviana is a species of the Apocynaceae family that was investigated for its anatomical vessel characteristics. Its analysis aids in understanding the evolutionary adaptations and specialized vessel configurations that exist among different species within the family, contributing to pharmacognostic knowledge.
4) Discussion:
The discussion section analyzes the findings from the vessel characteristics investigation in various Apocynaceae species. It elaborates on the size, shape, perforation plates, and other anatomical features, contextualizing these findings in relation to existing literature and enhancing understanding of plant evolution and specialization.
5) Drug:
The term drug refers to the medicinal substances derived from plants such as those in the Apocynaceae family, including Nerium indicum and Thevetia peruviana. Understanding the botanical anatomy of these plants is crucial for proper identification and utilization in pharmaceuticals.
6) Transformation (Transform, Transforming):
Transformation pertains to the evolutionary process by which vessel traits within the Apocynaceae undergo changes over time. This concept helps elucidate the role of varying vessel structures in adaptation and diversification of plants, emphasizing the significance of comparative anatomical studies in botany.
7) Evolution:
Evolution is a critical theme in the study of anatomical structures within the Apocynaceae family. It emphasizes the adaptive variations in vessel characteristics, revealing insights into how these changes contribute to the survival and specialization of different taxa in response to environmental pressures.
8) Medicine:
Medicine relates to the application of plant-derived materials, such as those from Apocynaceae species, in treating ailments. The anatomical studies serve pharmacognostic purposes, enhancing the identification and validation of different plants used in traditional and modern medical practices.
9) Science (Scientific):
Science is the systematic study underlying the research presented. It encompasses the methods and analytical frameworks used to investigate the anatomical variations in vessels among Apocynaceae species, contributing to a broader understanding of botany and its applications in pharmacognosy.
10) Sharman (Śarma, Sarmā, Sarma, Sharma, Śarman):
Sharma refers to one of the researchers noted in the discussion regarding vessel size variations in Nerium indicum. Their previous findings provide a comparative context that contributes to the validation and credibility of the current study's results, highlighting the collaborative nature of scientific research.
11) Botany:
Botany is the branch of biology focused on plant life, including the study of vascular structures as seen in the Apocynaceae family. Insights from this research contribute to the broader discipline of botany, particularly in understanding plant evolution and anatomy's relevance to medicinal applications.
Other Science Concepts:
Discover the significance of concepts within the article: ‘Vessels in some apocynaceae’. Further sources in the context of Science might help you critically compare this page with similair documents:
Comparative studies, Anatomical structure, Botanical identity, Camera lucida drawing.