BIOSTATISTICAL STUDIES ON WESTERN-EUROPEAN DACTYLORHIZA (ORCHIDACEAE) - THE D-MACULATA GROUP

被引:26
作者
DUFRENE, M [1 ]
GATHOYE, JL [1 ]
TYTECA, D [1 ]
机构
[1] UNIV LIEGE,DEPT BOT,B-4000 LIEGE,BELGIUM
关键词
ANGIOSPERMS; ORCHIDACEAE; DACTYLORHIZA; D-MACULATA; D-FUCHSII; D-SACCIFERA; D-CARAMULENSIS; BIOSTATISTICS; MULTIVARIATE ANALYSIS; TAXONOMY; MORPHOLOGY; FLORA OF WESTERN-EUROPE;
D O I
10.1007/BF00942145
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Multivariate analysis tools are exploited on a data set composed of quantitative characteristics collected on 35 populations of plants of the Dactylorhiza maculata (L.) Soo 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) Soo,D. saccifera (Brongn.) Soo 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.
引用
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页码:55 / 72
页数:18
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