DEVELOPMENT OF MALE REPRODUCTIVE STRUCTURES IN  CAMPANULA ALLIARIIFOLIA  (CAMPANULACEAE)

N. A. Zhinkina; Жинкина Н. А.; E. E. Evdokimova; Евдокимова Е. Е.

doi:10.31857/S000681362311008X

DEVELOPMENT OF MALE REPRODUCTIVE STRUCTURES IN CAMPANULA ALLIARIIFOLIA (CAMPANULACEAE)

Авторлар: Zhinkina N.¹, Evdokimova E.¹
Мекемелер:
1. Komarov Botanical Institute RAS
Шығарылым: Том 108, № 11 (2023)
Беттер: 992-1000
Бөлім: COMMUNICATIONS
URL: https://journals.rcsi.science/0006-8136/article/view/233535
DOI: https://doi.org/10.31857/S000681362311008X
EDN: https://elibrary.ru/APOETT
ID: 233535

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Ашық рұқсат
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Аннотация
Авторлар туралы
Әдебиет тізімі
Қосымша файлдар
Статистика

Аннотация

A cytoembryological study of the formation of microsporangium wall and the development of pollen grains in Campanula alliariifolia Willd. was carried out. A significant similarity in the structure of male embryonic structures in this species with the other representatives of Campanulaceae was revealed, namely: simultaneous formation of tetrads of microspores, bicellular pollen grains with relatively large vegetative cell, cellular secretory tapetum, bilayered endothecium. Characteristic features of this species are as follows: the absence of placentoids which indicates its evolutionary advancement, since the placentoids are characteristic of the most primitive representatives of the family; long-term, in comparison with previously studied species of the family, preservation of the tapetum, namely up to the opening of the anther, in the form of a cord of deformed tapetal cells located in a row and tightly adjacent to each other; relatively late appearance of fibrous bands.

Негізгі сөздер

Campanula alliariifolia, Campanulaceae, microsporangium wall, microsporogenesis, pollen grain

Авторлар туралы

N. Zhinkina

Komarov Botanical Institute RAS

Email: e.e.evdokimova@mail.ru
Russia, 197022, St. Petersburg, Prof. Popov Str., 2

E. Evdokimova

Komarov Botanical Institute RAS

Хат алмасуға жауапты Автор.
Email: e.e.evdokimova@mail.ru
Russia, 197022, St. Petersburg, Prof. Popov Str., 2

Әдебиет тізімі

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