Biostatistical studies on western European Dactylorhiza (Orchidaceae)-the D. maculata group

Dufrêne, Marc; Gathoye, J.-L.; Tyteca, D.

doi:10.1007/BF00942145

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Biostatistical studies on western European Dactylorhiza (Orchidaceae)-the D. maculata group

Dufrêne, Marc; Gathoye, J.-L.; Tyteca, D.

1991 • In Plant Systematics and Evolution, 175 (1-2), p. 55-72

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https://hdl.handle.net/2268/145395

DOI
10.1007/BF00942145

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Keywords :

Angiosperms; Biostatistics; D. caramulensis; D. fuchsii; D. maculata; D. saccifera; Dactylorhiza; Flora of Western-Europe; Orchidaceae

Abstract :

[en] Multivariate analysis tools are exploited on a data set composed of quantitative characteristics collected on 35 populations of plants of the Dactylorhiza maculata (L.)Soó group from Western-Europe. These samples lead to four well-defined clusters; this, together with qualitative, cytological and ecological arguments, allows for the recognition of four specific entities:D. maculata s.str., D. fuchsii (Druce)Soó, D. saccifera (Brongn.)Soó and D. caramulensis (Vermeulen)Tyteca. It is concluded that the floral characters play an essential role in the taxonomical distinction. It also appears that the set of characters measured, as well as the methods exploited, are especially well-suited and valuable tools for the morphological study of the genus Dactylorhiza. © 1991 Springer-Verlag.

Disciplines :

Environmental sciences & ecology

Author, co-author :

Dufrêne, Marc ; Université de Liège - ULiège > Forêts, Nature et Paysage > Biodiversité et Paysage

Gathoye, J.-L.; Départment de Botanique, Université de Liège, Sart Tilman, Liège, B-4000, Belgium

Tyteca, D.; Université Catholique de Louvain, Chemin du Cramignon 1, Louvain-la-Neuve, B-1348, Belgium

Language :

English

Title :

Biostatistical studies on western European Dactylorhiza (Orchidaceae)-the D. maculata group

Publication date :

1991

Journal title :

Plant Systematics and Evolution

ISSN :

0378-2697

eISSN :

1615-6110

Publisher :

Springer-Verlag

Volume :

175

Issue :

1-2

Pages :

55-72

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 24 March 2013

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