Anatomical and morphological study of golden dock (Rumex maritimus L.)
DOI:
https://doi.org/10.54296/18186173_2023_1_13Keywords:
diagnostic features, external features, microscopic features, buckwheat family, PolygonaceaeAbstract
The aim of the research was to conduct a morphological and anatomical study of the aerial and underground parts of golden dock (Rumex maritimus L.).
Materials and methods. The aerial and underground parts of golden dock were collected in July 2017, August 2020. To study the morphological characteristics of the plant, a stereoscopic microscope “Micromed MS-1” was used. Micropreparations were examined under a “Mikmed-1” microscope. The images of the micropreparations were recorded using a Celestron digital microscope imager and a digital photo camera. The photos were edited in a free image editor GIMP 2.8.
Results. Morphological characteristics of Rumex maritimus are supplemented with a description of the ochreas: the ochreas are filmy, non-shiny, with papillary outgrowths clearly visible at 40? magnification; deciduous from large first-order stems. As the significant anatomical features of the golden dock’s aerial part the following can be listed: the presence of long bristle teeth along the edges of the inner tepals in fruits, two on each side of the tepal; irregular papillary thickenings along the edge of the leaf and its underside, along the edges of outer tepals, on the surface of the ochrea, on the ribs of the stem; outgrowths on the inner tepals, two on each side of the tepal; presence of glandular trichomes: four-celled with brown content on the surface of the leaf and inner tepals and two-celled in the stem and ochrea epidermis; longitudinal folding of stem epidermal cells.
Conclusion. The established diagnostic features of the aerial part of the plant can serve as proof of authenticity of the plant raw materials. The results of the study will be used in the developing of a pharmacopoeia monograph “Golden dock herb (Rumicis maritime herba)”.
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