Morphology, Anatomy and Secondary Metabolites of Mediterranean Plants

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Development and Morphogenesis".

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 3609

Special Issue Editors


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Guest Editor
Department of Biology, Faculty of Science, University of Split, 21000 Split, Croatia
Interests: aromatic plants; medicinal plants; essential oils; hydrolates; chromatographic techniques; biological activities
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Co-Guest Editor
Pharmaceutical Botanical Garden Fran Kušan, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
Interests: endemic plants; medicinal plants; morphology; micromorphology; biological activities
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Special Issue Information

Dear Colleagues,

The flora of the Mediterranean is rich in plant species, and many of them are aromatic, rare and endemic. Mediterranean plants have developed anatomical-physiological adaptations to specific environmental conditions. Adaptations are observed in the structure of organs, primarily leaves. The leaves are generally smaller, with well developed surface protection (fatty structures) and glandular and non-glandular trichomes.

Micromorphological examination reveals significant differences in the structure of trichomes, which are also determinative characteristic between species. Trichomes are sites of biosynthesis and the accumulation of secondary metabolites, primarily essential oils, that are synthesised as a response to stressful conditions and have a protective role as well.

In this Special Issue, the aim is to present micromorphological and anatomical differences in plant structure, using various microscopic techniques. Special emphasis was placed on the morphology of trichomes, their number and position, seasonal variations in phytochemical composition and the biological role of isolated metabolites of Mediterranean plants.

Prof. Dr. Valerija Dunkić
Dr. Dario Kremer
Guest Editors

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Keywords

  • mediterranean plants
  • plant anatomy
  • plant micromorphology
  • microscopic techniques
  • secondary metabolites
  • volatile compounds
  • essential oils
  • biological role

Published Papers (1 paper)

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Research

24 pages, 11624 KiB  
Article
Micromorphological Traits of Balcanic Micromeria and Closely Related Clinopodium Species (Lamiaceae)
by Dario Kremer, Edith Stabentheiner, Faruk Bogunić, Dalibor Ballian, Eleni Eleftheriadou, Danijela Stešević, Vlado Matevski, Vladimir Ranđelović, Daniella Ivanova, Mirko Ruščić and Valerija Dunkić
Plants 2021, 10(8), 1666; https://doi.org/10.3390/plants10081666 - 13 Aug 2021
Cited by 5 | Viewed by 2958
Abstract
A study of the trichomes types and distribution and pollen morphology was carried out in nine Micromeria taxa (M. cristata ssp. cristata, M. cristata ssp. kosaninii, M. croatica, M. graeca ssp. graeca, M. graeca ssp. fruticulosa, [...] Read more.
A study of the trichomes types and distribution and pollen morphology was carried out in nine Micromeria taxa (M. cristata ssp. cristata, M. cristata ssp. kosaninii, M. croatica, M. graeca ssp. graeca, M. graeca ssp. fruticulosa, M. juliana, M. kerneri, M. longipedunculata and M. microphylla) and five closely related Clinopodium species (C. dalmaticum, C. frivaldszkyanum, C. pulegium, C. serpyllifolium and C. thymifolium) from the Lamiaceae family of the Balkan Peninsula. By scanning electron microscope, non-glandular trichomes, peltate and capitate trichomes were observed on the calyx, leaves and stem of the studied species. Two subtypes of capitate trichomes were observed in Micromeria species: subtype 1 (consisting of a basal epidermal cell and an elliptically shaped head cell) and subtype 2 (consisting of a basal epidermal cell, two to three stalk cells and a round head cell). In Clinopodium species, three types of capitate trichomes were observed: subtype 1, subtype 3 (consisting of a basal epidermal cell, a short peduncle cell, and a single round head cell), and subtype 4 (consisting of a basal epidermal cell, a stalk cell, and an elongated head cell). These results support the recent transfer of Micromeria species from the section Pseudomelissa to the genus Clinopodium. Full article
(This article belongs to the Special Issue Morphology, Anatomy and Secondary Metabolites of Mediterranean Plants)
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