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Morphological and anatomical characteristics of Mertensia maritima (L.) S.F. Gray supralittoral of the White Sea and Russian Far East coastстатья
Информация о цитировании статьи получена из
Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 4 августа 2021 г.
- Авторы: Alyonkin V.Yu, Barykina R.P.
- Журнал: Wulfenia
- Том: 27
- Год издания: 2020
- Издательство: Botanischer Garten des Landes Karnten
- Местоположение издательства: Austria
- Первая страница: 289
- Последняя страница: 302
- Аннотация: Adaptive specialization of M. maritima to harsh climatic conditions is reflected in morphological and physiological peculiarities of its vegetative organs. Epetiolar assimilating leaf blades are differentiated into a distal (expanded) and proximal (cuneate, narrowed) part with revolute margins, imitating a petiole. The leaf anatomy combines mesomorphic and heliomorphic traits. The presence of salt glands characterizes M. maritima as a true crynohalophyte. The impact of moving sandy and rocky substrate affected the structure and behavior of the plant’s axial organs: spiral twisting (into a cord) of creeping shoots, growing parallel to each other, transformation into a rhizome, local fusion and particulation. Longitudinal splitting of axial organs with profoundly developed parenchyma into particles is conditioned by anomalous stele thickening, followed by increased localized activity of lateral meristems (cambium and phellogen), dilation and ray and axial parenchymal cell proliferation as well as formation of the inner phellem. The particulation regularly occurs in shoots and sporadically in roots; in the latter, it is often incomplete (hidden). Particles of the shoot origin, with the bud reserves and capable of root formation, when completely detached, can perform the function of optional vegetative propagation on the moving littoral substrate. In the thin roots, together with root hairs, pronounced hyphae of endotrophic mycorrhizae have been found.
- Добавил в систему: Алёнкин Виталий Юрьевич
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Полный текст | Morphological and anatomical characteristics of Mertensia maritima (L.) S.F. Gray supralittoral of the White Sea and Russian Far East coast | Barykina_Wulfenia27-2020_FIN-red.pdf | 1,3 МБ | 30 ноября 2020 [Alyonkin1976] |