MACRO- AND MICROSCOPIC STUDIES OF CAMELINA SATIVA (L.) CRANTZ
DOI:
https://doi.org/10.11603/2312-0967.2019.1.9880Keywords:
Camelina sativa (L.) Crantz, herb, leaves, stem, flowerAbstract
The aim of the work is to determine the diagnostic macro- and microscopic signs of the herb of Camelina sativa (L.) Crantz.
Materials and Methods. The object is herb of the Slavutych Camelina sativa (L.) Crantz. The micronutrients were made from fresh and dried raw material fixed in a mixture of alcohol-glycerine-water (1:1:1) and studied by conventional methods using a Granum N-180 M microscope, and the photophixation of the results was done using the DC 1300 video.
Results and Discussion. The plant is 30-60 cm tall. The stem is thin, upright, simple or branched, pubescent with stiff short hairs. Leaves are oblong-lanceolate with arrow-shaped base, alternate, sessile. Inflorescences - brush. The flowers are small, regular, separate-petalled, pale yellow. A cup comprises four elongated ovoid, green sepals. Corolla is made four obovate petals.
Leaves. Leaves have dorso-ventral plate. The epidermis is single row. The cells of the upper epidermis are sinuous, the cell walls are evenly thickened. The stomatal apparatus is of anisocytic type. The blade us amphostatic. The lower epidermis is represented by more tortuous walls than the upper, having uniformly thickened shells. The hairs are numerous. There are simple, single-celled, tapered hairs, with a broad base and a sharp tip. Also there are two-pointed and three-pointed hairs.
Stalk. Main vein with rounded base. On the transverse section, the epidermis is visible, under it there is sclerenchyma. The main area of the petiole is parenchyma. Cardiovascular bundle is collateral.
Stem. The epidermis of the stem with prosenchymal, erect cells. There are numerous short simple hairs, one-, two-, three-pointed. In cross section, the stem has a rounded shape. The epidermis is single layer. Under the epidermis is collenchyma, and under it is the primary cortex. Vascular-fibrous bundles alternate with areas of mechanical fibers. Above the tufts there are groups of sclerenchyma fibers. The core is rather large, from parenchymal thin-walled cells.
Flower. The inner epidermis of the petal is represented by parenchymal cells, papillary outgrowths are present. The outer epidermis is represented by tortuous cells. Vascular-fibrous bundle with xylem elements in the form of spiral vessels.
Conclusions. The morphological and anatomical signs of the herb of Slavutych Camelina sativa (L.) Crantz were studied. The main macro- and microscopic features of the herb are determined, which will be used in the standardization of medicinal plant raw materials and the development of quality control methods for these raw materials.
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