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Evening-Primroses (Oenothera) occurring in Europe

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Krzysztof Rostański
Krzysztof Rostański
Krzysztof Rostański
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Adam Rostański at University of Silesia in Katowice
Adam Rostański
Izabela Gerold-Śmietańska at University of Silesia in Katowice
Izabela Gerold-Śmietańska
Pawel Wasowicz at Icelandic Institute of Natural History
Pawel Wasowicz
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Abstract

The presented work is the result of my many years of research on the taxonomy and distribution of Oenothera species in Europe, carried out on the basis of plant specimens collected during fi eld excursions or obtained from seeds in cultivation. A key to identifi cation of 61 European taxa of Oenothera, comprising plants native to Europe, established aliens, as well as those escaping from cultivation is provided. I hope that the key will serve well to European botanists in identifi cation evening primroses both in the fi eld and in the herbarium. Krzysztof Rostański
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Evening-Primroses (Oenothera)
occurring in Europe
Wiesiołki (Oenothera)
występujące w Europie
EVENING-PRIMROSES (OENOTHERA)
OCCURRING IN EUROPE
WIESIOŁKI (OENOTHERA)
WYSTĘPUJĄCE W EUROPIE
Krzysztof ROSTAŃSKI
Adam ROSTAŃSKI, Izabela GEROLD-ŚMIETAŃSKA
Paweł WĄSOWICZ
Katowice – Kraków 2010
Editor: ZBIGNIEW MIREK
Cover design: MACIEJ PIERZCHAŁA
Drawings: ANDRZEJ FOLWARCZNY, HALINA GALERA, ANDRZEJ PASIERBIŃSKI,
KRZYSZTOF MAREK ROSTAŃSKI & JERZY ZYGMUNT
Photo: ADAM ROSTAŃSKI & KRZYSZTOF ROSTAŃSKI
W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512 Kraków, Poland
University of Silesia, Faculty of Biology and Environmental Protection, Jagiellońska 28, 40-032 Katowice, Poland
This book is co-fi nansed by the Ministry of Science and Higher Education and Polish Botanical Society
Copyright © W. Szafer Institute of Botany, Polish Academy of Sciences 2010
All Rights Reserved
No part of this book may be reproduced in any form or by any means, electronically, mechanically,
by photocopying, recording, or otherwise without the prior written permission of the publisher
Published, sold and distributed by W. Szafer Institute of Botany, Polish Academy of Sciences
Lubicz 46, PL-31-512 Kraków, Poland
Printed in Poland
ISBN: 978-83-89648-92-1
Drukarnia Kolejowa “Kraków” Sp. z o.o.
31-505 Kraków, Bosacka 6
CONTENTS – SPIS TREŚCI
Foreword – Słowo wstępne . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Introduction – Wstęp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Acknowledgements – Podziękowania . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Key to the identifi cation of European species and permanent hybrids of Oeno-
thera L. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Klucz do oznaczania gatunków i trwałych mieszańców wiesiołka – Oeno-
thera L. występujących w Europie . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Description of the Oenothera L. species occurring in Europe – Opisy gatunków
Oenothera L. występujących w Europie . . . . . . . . . . . . . . . . . . . . . . . . . 29
References – Literatura . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Index to Latin names – Indeks nazw łacińskich . . . . . . . . . . . . . . . . . . . . . . 153
Index to English names – Indeks nazw angielskich . . . . . . . . . . . . . . . . . . . 155
Index to Polish names – Indeks nazw polskich . . . . . . . . . . . . . . . . . . . . . . . 157
134
55. Oenothera albipercurva Renner ex Hudziok
Bend Evening Primrose – wiesiołek zgiętoosiowy
Morphology. Biennial. Stem ± 100 cm, simple or
branched, green, erect with curved tip of infl ore-
scence, red pointed. Leaves elliptic to elliptic-lan-
ceolate, light green with white midrib. Hypanthium
28-35 mm. Buds with red splotches with diver-
gent sepal-tips 2-3 mm, appressed below. Petals
obcordate, distinctly broader than long, 15-30 ×
18-35 mm, yellow. Anthers 5-10 mm. Stigma-lobes
5-15 mm, spreading between anthers. Capsule
20-35 mm with obtuse teeth, green, glandular pu-
bescent with arcuate stiff hairs growing up simple
or from bulbous, coniform bases.
Origin. A hybrid between O. biennis × O. subter-
minalis or O. ammophila.
Distribution. Central Europe, usually together
with parental species.
Morfologia. Roślina dwuletnia. Łodyga prosta do
100 cm wys., zwykle słabo rozgałęziona, zielona
lub miejscami czerwono nabiegła, silnie czerwono
punktowana. Oś kwiatostanu zagięta, zielona,
ogruczolona. Liście łodygowe jasnozielone, biało
nerwowe, jajowato-lancetowate. Przysadki lance-
towate. Zalążnia zielona, czerwono punktowana.
Hypancja 28-35 mm dł. Pączki kwiatowe zielone
lub czerwono nabiegłe. Koniuszki działek dołem
stulone, wyżej oddzielone, proste, 2-3 mm dł. Płatki
odwrotnie sercowate15-30 mm dł. i 18-35 mm
szer. Pręciki krótsze od płatków, pylniki 5-10 mm
dł.; znamiona 5-15 mm dł., zwykle rozchylające
się pomiędzy pylnikami. Torebki 20-35 mm dł.
Pochodzenie. Mieszaniec O. biennis × O. subter-
minalis lub O. ammophila.
Rozmieszczenie. Europa Środkowa, zwykle obok
gatunków rodzicielskich.
153
INDEX TO LATIN NAMES – INDEKS NAZW ŁACIŃSKICH
In brackets – numbering of species from the Description ... (p. 29-147)
W nawiasach – numeracja gatunków z rozdziału Opisy ... (s. 29-147)
Oenothera acaulis Cav. . . . . . . . . . . . . . . . . 14
Oenothera acerviphila Rostański (29) . . . . . 84
Oenothera acutifolia Rostański (48) . . . . . . 120
Oenothera adriatica Soldano . . . . . . . . . . . . 14
Oenothera affi nis Cambessedes . . . . . . . . . . 14
Oenothera albipercurva Renner
ex Hudziok (55) . . . . . . . . . . . . . . . . . . . 134
Oenothera ammophila Focke (54) . . . . . . . 132
Oenothera angustissima Gates (57) . . . . . . 138
Oenothera biennis L. (12) . . . . . . . . . . . . . . . 52
Oenothera brachycarpa A.Gray . . . . . . . . . . 14
Oenothera braunii Doell (61) . . . . . . . . . . . 146
Oenothera brevispicata Hudziok (40) . . . . . 104
Oenothera britannica Rostański . . . . . . . . . 14
Oenothera bulgarica D. Delipavlov . . . . . . . 14
Oenothera cambrica Rostański (53) . . . . . . 130
Oenothera canovirens Steele (17) . . . . . . . . . 62
Oenothera carinthiaca Rostański . . . . . . . . . 14
Oenothera casimiri Rostański (23) . . . . . . . . 74
Oenothera chicaginensis auct. – Oenothera
pycnocarpa Atk. & Bartl. . . . . . . . . . . . 114
Oenothera clavifera Hudziok (33) 92
Oenothera compacta Hudziok (46) 116
Oenothera coloratissima Hudziok (34) . . . . . 92
Oenothera coronifera Renner (9) . . . . . . . . . 46
Oenothera cruciata Nutt.(13) . . . . . . . . . . . . 54
Oenothera defl exa Gates (26) . . . . . . . . . . . . 78
Oenothera depressa Greene (14) . . . . . . . . . . 56
Oenothera drawertii Renner
ex Rostański (42) . . . . . . . . . . . . . . . . . . 108
Oenothera editicaulis Hudziok (41) . . . . . . 106
Oenothera ersteinensis R.Linder
et. J.Jean (35) . . . . . . . . . . . . . . . . . . . . . . 94
Oenothera fallacoides Soldano . . . . . . . . . . 14
Oenothera fallax Renner (10) . . . . . . . . . . . . 48
Oenothera fl aemingina Hudziok (37) . . . . . . 98
Oenothera fl ava (A.Nelson) Garrett . . . . . . 14
Oenothera fruticosa L. (4) . . . . . . . . . . . . . . . 36
Oenothera gauroides Horrem. . . . . . . . . . . . 14
Oenothera glazioviana Micheli
in Mart. (2) . . . . . . . . . . . . . . . . . . . . . . . . 32
Oenothera heiniana Teyber . . . . . . . . . . . . . . 14
Oenothera hoelscheri Renner
ex Rostański (30) . . . . . . . . . . . . . . . . . . . 86
Oenothera inconspecta Hudziok (39) . . . . . 102
Oenothera indecora Cambessedes . . . . . . . . 14
Oenothera indivisa Hudziok (32) . . . . . . . . . 90
Oenothera issleri Renner
ex Rostański (60) . . . . . . . . . . . . . . . . . . 144
Oenothera italica Rostański & Soldano . . . . 14
Oenothera jueterbogensis Hudziok (25) . . . . 76
Oenothera laciniata Hill (6) . . . . . . . . . . . . . 40
Oenothera linifolia Nutt. . . . . . . . . . . . . . . . 14
Oenothera lipsiensis Rostański et Gutte
– Oenothera defl exa Gates . . . . . . . . . . . 78
Oenothera longifl ora L . . . . . . . . . . . . . . . . . 14
Oenothera macrocarpa Nutt. (1) . . . . . . . . . . 30
Oenothera macrosperma Hudziok. (28) . . . . 80
Oenothera marinellae Soldano . . . . . . . . . . 14
Oenothera mediomarchica Hudziok (52) . . 128
Oenothera missouriensis Sims
– Oenothera macrocarpa Nutt. . . . . . . . 30
Oenothera mollissima L. . . . . . . . . . . . . . . . 14
Oenothera moravica Jehlik
et Rostański (36) . . . . . . . . . . . . . . . . . . . 96
Oenothera muricata L. nom. conf.
– Oenothera rubricaulis Kleb. . . . . . . 124
Oenothera nissensis Rostański
– Oenothera victorinii R.R. Gates . . . . . 82
Oenothera nuda Renner ex Rostański (22) . . 72
Oenothera oakesiana (A.Gray) Robbins
ex Wats. & Coult. (56) . . . . . . . . . . . . . . . 136
Oenothera obscurifolia Hudziok (21) . . . . . . 70
Oenothera octolineata Hudziok (38) . . . . . . 100
Oenothera odorata Jacq. . . . . . . . . . . . . . . . . 14
Oenothera oehlkersii Kappus
ex Rostański (3) . . . . . . . . . . . . . . . . . . . . 34
Oenothera paradoxa Hudziok (19) . . . . . . . . 66
Oenothera parvifl ora L. (58) . . . . . . . . . . . . 140
Oenothera perangusta Gates (31) . . . . . . . . . 88
Oenothera pinnatifi da Nutt. . . . . . . . . . . . . . 14
Oenothera ploompuui Rostański . . . . . . . . . 14
Oenothera pseudocernua Hudziok (24) . . . . 76
Oenothera pseudochicaginensis
Rostański (49) . . . . . . . . . . . . . . . . . . . . 122
Oenothera punctulata Rostański
et Gutte (43) . . . . . . . . . . . . . . . . . . . . . . 110
Oenothera ×purpurans Borb. . . . . . . . . . . . 14
Oenothera pycnocarpa Atk. & Bartl. (45) . 114
Oenothera pyramidifl ora Hudziok (47) . . . 118
Oenothera renneri H. Scholz
– Oenothera canovirens Steele . . . . . . . 62
Oenothera rigirubata Renner ex Gutte
& Rostański . . . . . . . . . . . . . . . . . . . . . . 14
Oenothera royfraseri Gates (44) . . . . . . . . . 112
Oenothera rosea L’Herit. ex Aiton . . . . . . . . 14
Oenothera rubricalyx Gates . . . . . . . . . . . . . 14
Oenothera rubricaulis Kleb. (50) . . . . . . . . 124
Oenothera rubricauloides Rostański (51) . . 126
Oenothera rubricuspis Renner ex Rostański
– Oenothera angustissima Gates . . . . . 138
Oenothera salicifolia Desf. ex G.Don.
– Oenothera depressa Greene . . . . . . . . . 56
Oenothera scandinavica Rostański (15) . . . . 58
Oenothera sesitensis Soldano . . . . . . . . . . . . 14
Oenothera silesiaca Renner
– Oenothera subterminalis Gates . . . . 142
Oenothera sinuata L.
– Oenothera laciniata Hill . . . . . . . . . . . 40
Oenothera spectabilis Hort. . . . . . . . . . . . . . 14
Oenothera stricta Ledeb. (7) . . . . . . . . . . . . 42
Oenothera stucchii Soldano . . . . . . . . . . . . 14.
Oenothera suaveolens Desf. ex Pers. (11) . . 50
Oenothera subterminalis Gates (59) . . . . . . 142
Oenothera tacikii Rostański (8) . . . . . . . . . . . 44
Oenothera tetragona Roth. (5) . . . . . . . . . . . 38
Oenothera tetraptera Cavanilles . . . . . . . . . . 14
Oenothera trichocalyx Nutt.
ex Torr. et Gray . . . . . . . . . . . . . . . . . . . . 14
Oenothera turoviensis Rostański
– Oenothera royfraseri Gates . . . . . . . 112
Oenothera victorinii R.R. Gates (28) . . . . . . 82
Oenothera villosa Thunb. (18) . . . . . . . . . . . . 64
Oenothera wienii Renner
ex Rostański (16) . . . . . . . . . . . . . . . . . . . 60
Oenothera wratislaviensis Rostański (20) . . . 68
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Supplementary resource (1)

2010-1-Oenothera-Europe book-info
Data
February 2017
Krzysztof Rostański · Adam Rostański · Izabela Gerold-Śmietańska · Pawel Wasowicz
... Taxonomie und Nomenklatur folgen Rostański & Gutte (2017), mit Ausnahme von Oe. fruticosa (Jäger & al. 2008) sowie Oe. cambrica und Oe. perangusta (Rostański & al. 2010), die in Rostański & Gutte (2017) nicht behandelt werden. Deutsche Namen wurden -sofern vorhanden -Fischer & al. (2008) entnommen, ansonsten aus Jäger & al. (2008), Rostański & al. (2010) oder Rostański & Gutte (2017) entlehnt undsofern nötig -, der Methodik in Fischer & al. (2008) folgend, neu generiert. ...
... Taxonomie und Nomenklatur folgen Rostański & Gutte (2017), mit Ausnahme von Oe. fruticosa (Jäger & al. 2008) sowie Oe. cambrica und Oe. perangusta (Rostański & al. 2010), die in Rostański & Gutte (2017) nicht behandelt werden. Deutsche Namen wurden -sofern vorhanden -Fischer & al. (2008) entnommen, ansonsten aus Jäger & al. (2008), Rostański & al. (2010) oder Rostański & Gutte (2017) entlehnt undsofern nötig -, der Methodik in Fischer & al. (2008) folgend, neu generiert. Angeführte Synonyme stammen aus Walter & al. (2002) und Fischer & al. (2008) sowie aus der privaten Funddatenbank von Peter Pilsl (Salzburg), da diese alle in der Salzburger Literatur verwendeten Synonyme der enthält. ...
... 6). Sie kommt laut Rostański & al. (2010) in Großbritannien, Norwegen, Belgien und Frankreich vor. In Großbritannien gilt die Art, die möglicherweise im 18. Jahrhundert aus Kanada eingeschleppt wurde, als die dritthäu- figste (Rostański 1982 Oenothera canovirens / Graugrün-Nachtkerze (= Oenothera renneri) Bei der Graugrün-Nachtkerze handelt es sich um den einzigen in Salzburg bekannten Vertreter der ser. ...
Vorarbeiten an einer Liste der Gefäßpflanzen des Bundeslandes Salzburg, Teil 3: Die Gattung Oenothera / Nachtkerze (Onagraceae)
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Full-text available
  • Jan 2018
The genus Oenothera originates from the temperate to subtropical zones of North and South America. Several taxa could establish themselves as neophytes in Europe and, moreover, create new taxa by hybridisation. There are 188 taxa known worldwide, of which 17 are present in the federal state of Salzburg: Oenothera angustissima, Oe. biennis (s. str.), Oe. cambrica, Oe. canovirens, Oe. casimiri, Oe. compacta, Oe. deflexa, Oe. fallax, Oe. fruticosa, Oe. glazioviana, Oe. paradoxa, Oe. perangusta, Oe. punctulata, Oe. pycnocarpa (s. str.), Oe. rubricaulis, Oe. royfraseri and Oe. victorinii. Hereof Oe. cambrica, Oe. paradoxa and Oe. perangusta are recorded the first time in Austria and Oe. rubricaulis in the federal state of Salzburg. In this publication, these taxa are briefly presented, their history of spreading is shown and their current distribution in Salzburg is illustrated by distribution maps. Features for identification and for delimitation from similar taxa are also mentioned in this publication.
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... Moreover, some currently casual alien species such as Diplotaxis tenuifolia and Oenothera glazioviana may become established in the future as evidenced in other regions of the country (Zając & Zając, 2001, 2015toKarsKa-GuZiK et al., 2012). Similarly, Matthiola longipetala and Oenothera fruticosa, which are ornamental plants in Poland (rutKowsKi, 2004;rostańsKi et al., 2010), have a potential to be naturalized (randall, 2017 and references therein). ...
... The geographical-historical status of some Oenothera species in Europe is an unresolved issue because of the lack of data on their origin (rostańsKi et al., 2004(rostańsKi et al., , 2010. Many Oenothera species are results of spontaneous interspecific hybridization, for example, O. casimiri, a putative hybrid between O. biennis and O. rubricaulis (rostańsKi et al., 2004). ...
... Nomenclature and geographical-historical status in the Polish flora followed MireK et al. (2002), rostańsKi et al. (2010), and toKarsKa-GuZiK et al. (2012). The geographicalhistorical status in the regional flora was based on own observations and in accordance with the work by Short notePyšeK et al. (2004), rostańsKi et al. (2004, 2010) and toKarsKa-GuZiK et al. (2012. Voucher specimens are deposited at the Herbarium of the Institute of Botany of the Jagiellonian University in Kraków (KRA). ...
New Records of Vascular Plant Distribution in the Polish Part of the Lithuanian Lakeland, North-Eastern Poland
Article
Full-text available
  • Jun 2019
The paper presents new localities of 15 vascular plants recorded in the Polish part of the Lithuanian Lakeland, north-eastern Poland in 2017–2018, using the ATPOL cartogram method. Crepis capillaris , Diplotaxis tenuifolia , Eragrostis albensis , Matthiola longipetala , Oenothera fruticosa , Oenothera glazioviana and Rubus armeniacus are listed as new species for the regional flora.
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... It also resembles one of its putative parental species, O. Variability:-No phenotypic variants have been formally recognized. Distribution:-Central Europe: Germany, Poland, Czechia and Belarus (Rostański et al. 2004, Rostański et al. 2010. ...
... Taxonomic status:-Oenothera acutifolia is one of many narrowly treated species described from Europe, which are considered by American taxonomists as only a part of intraspecific variation within widely treated O. biennis Linnaeus (1753: 346) (Dietrich et al. 1997). However, according to some European researchers, this taxon should be formally recognized in the rank of species (Jehlík 1997, Rostański et al. 2004, 2010. ...
Taxonomic notes and validation of Oenothera acutifolia (Onagraceae)
Article
  • Dec 2019
Oenothera Linnaeus (1753: 346) (Onagraceae) is indigenous to North America (Dietrich et al. 1997), where the great diversity of the genus is reflected by its division into 18 sections and several subsections and series (Wagner et al. 2007). At different times and circumstances, particular evening-primrose species have naturalized in other parts of the world—currently they are known from nearly all continents: North and South America, Asia, Australia, Africa and Europe as well (Cleland 1972, Dietrich et al. 1997, Rostański et al. 2004). Reaching new lands, they began to spread and hybridize with each other, which might have resulted in the origin of new species, unknown from the native area (Dietrich et al. 1997).
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... Subsection Oenothera is the largest group included in this study; it also has the most rapid evolution across the genus. This group of 11 species native to North America has expanded its range within the last 400 years to other continents, including Europe [1,32,129,130]. Rapid climate change following deglaciation also led to rapid range expansions and new environmental conditions for these species [45,57]. All these factors may have imposed both strong and varying selection, coupled with prominent neutral evolutionary processes through drift and gene flow, which might have contributed to rapid gene family evolution. ...
The evolution of multi-gene families and metabolic pathways in the evening primroses (Oenothera: Onagraceae): A comparative transcriptomics approach
Article
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The plant genus Oenothera has played an important role in the study of plant evolution of genomes and plant defense and reproduction. Here, we build on the 1kp transcriptomic dataset by creating 44 new transcriptomes and analyzing a total of 63 transcriptomes to present a large-scale comparative study across 29 Oenothera species. Our dataset included 30.4 million reads per individual and 2.3 million transcripts on average. We used this transcriptome resource to examine genome-wide evolutionary patterns and functional diversification by searching for orthologous genes and performed gene family evolution analysis. We found wide heterogeneity in gene family evolution across the genus, with section Oenothera exhibiting the most pronounced evolutionary changes. Overall, more significant gene family expansions occurred than contractions. We also analyzed the molecular evolution of phenolic metabolism by retrieving proteins annotated for phenolic enzymatic complexes. We identified 1,568 phenolic genes arranged into 83 multigene families that varied widely across the genus. All taxa experienced rapid phenolic evolution (fast rate of geno-mic turnover) involving 33 gene families, which exhibited large expansions, gaining about 2-fold more genes than they lost. Upstream enzymes phenylalanine ammonia-lyase (PAL) and 4-coumaroyl: CoA ligase (4CL) accounted for most of the significant expansions and contractions. Our results suggest that adaptive and neutral evolutionary processes have contributed to Oenothera diversification and rapid gene family evolution.
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... Taxonomic status:-The taxonomists accepting the narrow species concept within the considered genus, i.e. Soldano (1993) and Rostański (2006, Rostański et al. 2010 treat O. italica as a separate species. on the other hand, according to dietrich et al. (1997), O. italica is only one of few dozen (or even possible hundreds) strains which should be treated only as a part of intraspecific variability of very widely considered O. biennis Linnaeus (1753: 346). ...
Validation of the name Oenothera italica (Onagraceae)
Article
  • Jan 2019
Oenothera italica Rostański & Soldano (1981: 376) (sect. Oenothera subsect. Oenothera) is one of about 100 taxa of the genus Oenothera Linnaeus (1753: 346) which have been formally recognized in Europe (Hudziok 1968, Soldano 1993, Rostański in Rostański et al. 2004, 2010). The species was described from Italy by Rostański and Soldano (1981) and assigned later to the typical series Oenothera by Rostański (1985). However, its name was not validly published because two different gatherings were indicated as syntypes. I have searched for a proper typification in several relevant sources (e.g. Soldano 1993, Rostański et al. 2004, Rostański et al. 2010), with no success.
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The dynamics of the taxonomic composition of the alien fraction of the urban flora in the Kyiv urban area, Ukraine
Article
Full-text available
  • Jun 2024
This article presents the results of an investigation into the recent taxonomic composition of the alien fraction of the urban flora in the Kyiv urban area (KUA). Its main dynamic tendencies over the last 20 years have been highlighted, along with the most probable phytoinvasive threats. The obtained linear regression equation allowed forecasting for the growth in the abundance of alien plant species against the background of the enlargement of the Kyiv urban area (r=0.53) and its human population numbers (r=0.87). The alien fraction of the urban flora of the KUA contains 717 taxa of vascular plants (668 species, 41 subspecies, 6 varieties, 1 form and 1 nothoform). In the past 20 years, the number of species of the urban flora of the KUA has increased by at least 166 alien taxa, some of which are representatives of new genera, families, and orders for our flora. This enrichment of the taxonomic structure of the alien fraction in the urban flora of the KUA has caused changes in the ratio of life forms, ecotypes, invasiveness of species, and other features. We specified probable invasive threats, conditioned by the formation of the group of new woody species, hydrophytes capable of rapidly accumulating their phytomass, some genera complexes involving alien and local species, which are inclined to hybridization. KEY WORDS: alien invasive plants, spreading invasive species, stable and unstable plant taxonomic components ARTICLE HISTORY:
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Lectotypification, epitypification and taxonomic notes on Oenothera fallax (Onagraceae)
Article
  • Sep 2023
In the protologue of Oenothera fallax Renner did not indicate any herbarium specimen to serve as a type. Instead, the author provided a brief German description and some black and white illustrations, presenting only the chosen features of the species. The collection of Renner stored in Herbarium in München (M) does not include the type of Oenothera fallax. Thus, the photos given by Renner are the only elements of original material from which a lectotype was selected. Because the lectotype does not include all the characteristics essential for the proper identification of the taxon, a specimen from Krzysztof Rostański collection stored in herbarium WRSL is selected to serve as an epitype supporting the lectotype. A short description of Oenothera fallax as well as a summary of taxonomy of the genus Oenothera are also provided.
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Nuevos xenófitos de La Palma (Islas Canarias, España), con énfasis en las especies naturalizadas y (potencialmente) invasoras. Parte 3
Article
Full-text available
  • Apr 2020
Varios meses de trabajos de campo en La Palma (Islas Canarias occidentales) han posibilitado el descubrimiento de nuevas plantas vasculares no nativas. Alstroemeria aurea, A. ligtu, Anacyclus radiatus subsp. Radiatus, Chenopodium album subsp. borbasii, Cotyledon orbiculata, Cucurbita ficifolia, Cynodon nlemfuensis, Datura stramonium subsp. tatula, Digitaria ciliaris var. rhachiseta, D. ischaemum, Diplotaxis tenuifolia, Egeria densa, Eugenia uniflora, Galinsoga quadriradiata, Glebionis segetum, Kalanchoe laetivirens, Lemna minuta, Ligustrum lucidum, Lotus broussonetii, Oenothera fallax, Paspalum notatum, Passiflora caerulea, P. manicata × tarminiana, P. tarminiana, Pelargonium capitatum, Phaseolus lunatus, Portulaca trituberculata, Pyracantha angustifolia, Sedum mexicanum, Trifolium lappaceum, Urochloa mutica, U. subquadripara y Volutaria tubuliflora son xenófitos naturalizados o (potencialmente) invasores o de especial interés florístico, que se citan por primera vez para las Islas Canarias o para la isla de La Palma. Tres táxones adicionales, probablemente casuales, se dan a conocer por primera vez de las Islas Canarias, y siete táxones de la isla de La Palma.
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A revision of taxonomic relation between Oenothera royfraseri and O. turoviensis (sect. Oenothera, subsect. Oenothera; Onagraceae) based on multivariate analyses of morphological characters
Article
  • Mar 2020
The taxonomic relation between Oenothera royfraseri and O. turoviensis (sect. Oenothera, subsect. Oenothera; Onagraceae) has remained unresolved. According to the representatives of the so-called American school of taxonomy (W. Dietrich, P.H. Raven, W.L. Wagner) the former name is one of almost 70 synonyms of widely treated O. biennis (AB-II plastome-genome combination) while the latter is a synonym of O. parviflora (BC-IV arrangement). On the other hand, European researchers (K. Rostański, A. Soldano, V. Jehlík) tend to assign both names to one species, under the name O. royfraseri. In order to establish the taxonomic relation of the studied taxa, morphometric comparisons, based on qualitative and quantitative traits, were carried out. The studies included European specimens labelled as O. royfraseri and/or O. turoviensis (with the nomenclatural types of the two names) as well as representatives of the two other species, O. biennis and O. parviflora, which were taken as a background. The performed multivariate statistical analyses (correspondence analysis, principal component analysis, discriminant analysis followed by canonical discriminant analysis) provided strong evidence supporting the American’s hypothesis on separateness of the two species. As it was demonstrated, O. royfraseri and O. turoviensis differ mostly by the sepal tips arrangement, which is considered by American and European researchers as one of the most essential variables in taxa recognition within the group. The obtained results have also indicated that O. royfraseri is distinct from European representatives of O. biennis, which is partially concordant with Rostański’s opinion. The two last-mentioned species can be discriminated by red vs. green papillae, strigillose vs. glandular hair predominance, respectively, as well as by quantitative features of the flowers, which are significantly larger in O. biennis.
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A revision of taxonomic relation between Oenothera perangusta and O. ersteinensis (Onagraceae) based on morphometric research and statistical analyses
Article
  • Dec 2018
The taxonomic status of Oenothera ersteinensis and O. perangusta (sect. Oenothera, subsect. Oenothera; Onagraceae) has remained unresolved. According to the representatives of the so-called American school of taxonomy both names should be assigned, as their synonyms, to two separate, widely treated species (O. biennis and O. oakesiana, respectively) whereas European researchers consider both taxa as very similar or even as a single species. In order to establish the taxonomic relation between these taxa, detailed morphometric research and statistical analyses—principal component analysis, correspondence analysis, discriminant analysis and Wald-Wolfowitz runs test—were performed. As a background to present the differentiation between the considered taxa, analyses of European representatives of two distinct and widely distributed species, O. biennis and O. oakesiana, were also conducted. The results revealed that the highest discriminatory power have mostly qualitative features. Oenothera ersteinensis turned out to be a distinct and well-separated species belonging to the series Oenothera whereas O. perangusta is most probably only a synonym name of O. oakesiana. Moreover, it was demonstrated that all the investigated specimens labelled as O. perangusta were in fact misrecognized representatives of O. ersteinensis. The updated map of distribution of O. ersteinensis is also provided.
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