Dactylorhiza maculata agg. (Orchidaceae) in Central Europe: Intricate patterns in morphological variability, cytotype diversity and ecology support the single-species concept

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00094862%3A_____%2F24%3A10000345" target="_blank" >RIV/00094862:_____/24:10000345 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989592:15310/23:73621012

Výsledek na webu

<a href="https://link.springer.com/article/10.1007/s12224-024-09441-0" target="_blank" >https://link.springer.com/article/10.1007/s12224-024-09441-0</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s12224-024-09441-0" target="_blank" >10.1007/s12224-024-09441-0</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Dactylorhiza maculata agg. (Orchidaceae) in Central Europe: Intricate patterns in morphological variability, cytotype diversity and ecology support the single-species concept

Popis výsledku v původním jazyce

Effective protection of endangered species is often limited by taxonomic discrepancies across state borders. This is also the case of the Dactylorhiza maculata agg. in Central Europe, where one to three species and several infraspecific taxa are recognized in various countries. Based on an extensive analysis of morphological variation, ploidy levels, environmental traits and habitats of 64 populations in Central Europe and adjacent regions, we aimed to propose a unified taxonomic concept applicable throughout the study area. Multivariate analysis of morphological traits revealed continuous variation at the individual level and only minor differences between particular clusters of populations. Four DNA-ploidy levels were detected using flow cytometry. Diploids (2n = 40) and tetraploids (2n = 80) were the most abundant and usually formed single-cytotype populations whereas DNA-triploids and DNA-hexaploids occurred only sporadically as minority cytotypes. The inferred patterns of morphological and ploidy variation were not congruent with traditional taxonomic treatment regarding diploid D. fuchsii and tetraploid D. maculata as two species with several infraspecific taxa. Instead, all taxa analysed in the current study are best treated at the subspecies level within D. maculata s. lat. due to somewhat continuous morphological variation between morphotypes. A total of eight D. maculata subspecies may be recognized in Central Europe, of which one is newly described here as D. maculata subsp. arcana, subsp. nov. Some nomenclatural riddles have been resolved, and the threat status of the recognized taxa is discussed.

Název v anglickém jazyce

Dactylorhiza maculata agg. (Orchidaceae) in Central Europe: Intricate patterns in morphological variability, cytotype diversity and ecology support the single-species concept

Popis výsledku anglicky

Effective protection of endangered species is often limited by taxonomic discrepancies across state borders. This is also the case of the Dactylorhiza maculata agg. in Central Europe, where one to three species and several infraspecific taxa are recognized in various countries. Based on an extensive analysis of morphological variation, ploidy levels, environmental traits and habitats of 64 populations in Central Europe and adjacent regions, we aimed to propose a unified taxonomic concept applicable throughout the study area. Multivariate analysis of morphological traits revealed continuous variation at the individual level and only minor differences between particular clusters of populations. Four DNA-ploidy levels were detected using flow cytometry. Diploids (2n = 40) and tetraploids (2n = 80) were the most abundant and usually formed single-cytotype populations whereas DNA-triploids and DNA-hexaploids occurred only sporadically as minority cytotypes. The inferred patterns of morphological and ploidy variation were not congruent with traditional taxonomic treatment regarding diploid D. fuchsii and tetraploid D. maculata as two species with several infraspecific taxa. Instead, all taxa analysed in the current study are best treated at the subspecies level within D. maculata s. lat. due to somewhat continuous morphological variation between morphotypes. A total of eight D. maculata subspecies may be recognized in Central Europe, of which one is newly described here as D. maculata subsp. arcana, subsp. nov. Some nomenclatural riddles have been resolved, and the threat status of the recognized taxa is discussed.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10611 - Plant sciences, botany

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Folia Geobotanica

ISSN

1211-9520

e-ISSN

1874-9348

Svazek periodika

58

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

38

Strana od-do

151-188

Kód UT WoS článku

001173128400001

EID výsledku v databázi Scopus

2-s2.0-85186206227