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Система рода Pulsatilla Mill. (Ranunculaceae)

Система рода Pulsatilla Mill. (Ranunculaceae)

Abstract

The genus Pulsatilla (Pasqueflower) is a taxonomically complex object of study. Previous works on the creation of the genus system were based mainly on either the morphology of basal and cauline leaves or on genetic data. In our study, the system of pasqueflowers was revised taking into account an additional set of data, including palynological, morphological, molecular-genetic and some biological characteristics. For this purpose, the morphology of peduncles, fruits, basal and whorled leaves was described, details of the pollen grain surface were studied and genetic data for some species were supplemented. The most significant features in the revision of the genus system were the morphology of pollen grains, whorled leaves, androecium: the presence or absence of staminodes and the color of the anthers. According to the results obtained, we proposed to consider the genus Pulsatilla consisting of 5 subgenera. We have accepted the subgenera Kostyczewianae and Preonanthus in their traditional volume. From the subgenus Pulsatilla we have separated two more subgenera – Bungeanae, Albanae, and new sections were also identified: Magadanenses, Tenuilobeae.

Род Pulsatilla (прострел) является сложным в таксономическом плане объектом исследования. Предыдущие работы по созданию системы рода основывались, главным образом, либо на морфологии прикорневых и стеблевых листьев, либо на генетических данных. В нашем исследовании система прострелов была доработана с учетом дополнительного комплекса данных, включающих палинологические, морфологические, молекулярно-генетические и некоторые биологические характеристики. Для этого была описана морфология цветоножек, плодов, прикорневых и мутовчатых листьев, изучены детали поверхности пыльцевых зерен и дополнены генетические данные по некоторым видам. Наиболее значимыми признаками при ревизии системы рода оказались морфология пыльцевых зерен, мутовчатых листьев, андроцея: наличие или отсутствие стаминодиев и цвет пыльников. Согласно полученным результатам, нами предложено рассматривать род Pulsatilla состоящим из 5 подродов. Подроды Kostyczewianae и Preonanthus нами приняты в традиционном объеме. Из подрода Pulsatilla нами обособлено еще два подрода – Bungeanae, Albanae, а также выделены новые секции – Magadanenses, Tenuilobeae.

Keywords

plant morphology, система рода, молекулярная генетика, pollen, гербарий, molecular genetics, пыльца, морфология растений, прострел, pasqueflower, Pulsatilla, genus system, herbarium

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average