Please use this identifier to cite or link to this item: http://biore.bio.bg.ac.rs/handle/123456789/4122
Title: Anatomical traits of Artemisia umbelliformis subsp. eriantha (Asteraceae) alpine glacial relict from Mt. Durmitor (Montenegro)
Authors: Janaćković, Peđa 
Gavrilović, Milan 
Rančić, Dragana
Stešević, Danijela
Dajić-Stevanović, Zora
Marin, Petar 
Keywords: anatomy;crystals;secretory canals
Issue Date: Jan-2021
Journal: Botanica Serbica
Abstract: 
In this study, the vegetative anatomy of Artemisia umbelliformis subsp. eriantha,
a Central European alpine glacial relict, wild-growing on Mt. Durmitor (Montenegro)
was examined for the first time. The aim was to investigate the general
anatomy and particular anatomical traits which might have possible taxonomic
value. Microscopic slides were prepared according to the standard histological
procedures. The adventitious young root showed a primary structure, while the
older root showed a secondary structure with a well-developed periderm on its
surface. The rhizome showed a primary structure with elements of a secondary
structure (periderm). The stem cross section is characterized by a round shape with
a well-developed periderm at certain stages, and collateral vascular bundles arranged
in a circle. The petiole is concave in shape with a single-layered epidermis
and parenchyma tissue with one large and two small vascular bundles. Druses and
rhombohedral crystals are observed inside some petiole parenchyma cells. The leaf
lobe cross section has an oblong-linear shape and is isolateral and amphistomatous
in structure. The anticlinal walls of the leaf epidermal cells are sinuate. Secretory
canals are present in the root cortex parenchyma (endodermal secretory canals)
and the rhizome cortical parenchyma. The stem, petiole and leaf lack secretory
canals. The stem and leaf are covered with T-shaped non-glandular and glandular
trichomes. The taxonomic value of the analyzed characteristics is briefly discussed.
URI: http://biore.bio.bg.ac.rs/handle/123456789/4122
DOI: 10.2298/BOTSERB2101023J
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