Modern Phytomorphology

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Anatomical features of leaf blade of Artemisia dracunculus L. (Asteraceae) during introduction in Zhytomyr Polissya


Iryna V Ivashchenko, Dzamal B Rakhmetov, Galina F Ivanenko

This article represents the results of anatomical research of the lamina of Artemisia dracunculus L. introduced in Zhytomyr Polissya. Both, upper and lower epidermises are covered with cuticle, stomata are oval and of anomocytic type. The lamina is amphistomatic. The trichomas of stellar form as well as simple conic hairs were determined both on adaxial and abaxial surfaces. Rounded multicellular peltate glands that are typical for Asteraceae family and glandular capitate conic trichomas which represent tissue of external secretion. Tissue of internal secretion is represented by idioblasts and containers of essential oils. A. dracunculus has dorsiventral structure mesophylle and vascular bundle of main rib of collateral type. Peltate glands, capitate conic trichomas, secretory cells and nonglandular trichomas could be used as taxonomic features as well as for determination of raw material of A. dracunculus. The presence of peltate glands and glandular capitated trichomas in large amounts confirm that A. dracunculus introducted in conditions of Zhytomyr Polissya could be used as a sufficient producer of essential oils.



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