To anatomical characteristic of vegetative organs of some members of Coldenia s.l. (Boraginaceae Juss.)

Barykina, R.; Churikova, O.; Alyonkin, V.

Авторы: Rimma Barykina, Olga Churikova, Vitaly Alyonkin
Журнал: Wulfenia
Том: 23
Год издания: 2016
Издательство: Botanischer Garten des Landes Karnten
Местоположение издательства: Austria
Первая страница: 80
Последняя страница: 97
Аннотация: The results of microscopic analysis of vegetative organs of Coldenia procumbens L., Tiquilia canescens (DC.) A.T. Richardson, T. palmeri (A. Gray) A.T. Richardson, T. nuttallii (Hook.) A.T. Richardson showed many similar features of structure organization inspite of their taxonomic affiliation with different genuses. Some specific anatomical features which reflect the ecology of habitats, the type of life form and systematic status stand out against them. Hygromesomorphic structure is characteristic of Coldenia procumbens and xeromorphic one is characteristic of Tiquilia. Great similarity in anatomical structure of shoot and root of annual Tiquilia palmeri and T. nuttallii confirms their close relationship. At the same time dwarf shrub T. canescens is noticeably remarkable from herbaceous representatives of this genus for revolutive type of leaf blade, peculiar structure of palisades and phellem, which includes at the same time thin-walled cells and thick-walled lignified phelloides. Internal phloem at the border with pith and fields of intraxylem phloem which are so typical for annuals species of Tiquilia are absent in axial organs of T. canescens and Coldenia procumbens as well.
Добавил в систему: Чурикова Ольга Альбертовна

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To anatomical characteristic of vegetative organs of some members of Coldenia s.l. (Boraginaceae Juss.)статья

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