Anatomical and diagnostic markers for determining the identity of the representatives of the series Persicariaeformes Kom. and Lapathiiformes Worosch. of the family Polygonaceae lindl


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Abstract

Introduction. All varieties of knotweeds (Polyginum) vary in stem sizes, growth patterns, leaf shape, sizes, and indumentum characters, and perianth colors. But these characteristics are subjective and, when procuring the officinal variety of lady's thumb (Polygonum persicaria), the latter is often found to contain foreign representatives of the series Lapathii formes Worosch. Objective: to identify markers in the anatomical structure of knotweeds, allowing the most reliable identification of the representatives of the genera Polygonum L. and Persicaria Mill. Material and methods. The objects were dried aboveground portions of Polygonum lapathifolium, Polygonum scabrum, Persicaria nodosa, Polygonum brittinger, and Polygonum tomentosum, which were harvested during the 2016-2017 flowering season. Their raw materials were microscopically examined in accordance with procedures described in the 14 edition of the State Pharmacopoeia of the Russian Federation, using a Biomed 6.0 microscope with a magnification of x40, x100, x400, equipped with a Livenchuk digital video camera and Top View software. Results. The investigators revealed the microdiagnostic markers of the anatomical structure, which made it possible to identify with high reliability the representatives of the series Lapathii formes Worosch., such as the presence, size, and structure of trichomes, as well as the excretory apparatus (glandules and conceptacles). Conclusion. The findings may be used to compile a universal anatomical key determinant that enables one to solve the problem of identification of the varieties of the family Polygonaceae Lindl.

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About the authors

A. A Gudkova

Voronezh State University

Email: alinevoroneg@mail.ru
Associate Professor of the Department of Management and Economics of Pharmacy and Pharmacognosy of the Pharmaceutical Faculty, PhD in Pharmaceutical Sciences 1, Universtitetskaya Sq., Voronezh 394006, Russian Federation

A. S Chistyakova

Voronezh State University

Email: anna081189@yandex.ru
Assistant of the Department of Pharmaceutical Chemistry and Pharmaceutical Technology of the Pharmaceutical Faculty, PhD in Pharmaceutical Sciences. 1, Universtitetskaya Sq., Voronezh 394006, Russian Federation

A. A Sorokina

I.M. Sechenov First Moscow State Medical University (Sechenov University)

Email: all2013@yandex.ru
Professor of the Department of Pharmaceutical Natural; Doctor of Pharmaceutical Sciences, Professor. 8, Trubetskaya St., Build. 2, Moscow 119048, Russian Federation

O. N Shchepilova

Voronezh State University

Email: poljakova71@mail.ru
Assistant Professor of the Department of Botany and Mycology 1, Universtitetskaya Sq., Voronezh 394006, Russian Federation

I. M Koreuskaya

Voronezh State University

Email: irmich65@yandex.ru
Associate Professor of the Department of Management and Economics of Pharmacy and Pharmacognosy of the Pharmaceutical Faculty; PhD in Pharmaceutical Sciences 1, Universtitetskaya Sq., Voronezh 394006, Russian Federation

A. I Slivkin

Voronezh State University

Email: slivkin@pharm.vsu.ru
Dean of the Pharmaceutical Faculty; Head of the Department of Pharmaceutical Chemistry and Pharmaceutical Technology, Doctor of Pharmaceutical Sciences, Professor. 1, Universtitetskaya Sq., Voronezh 394006, Russian Federation

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