Figure 2
![Figure 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1472-6882-12-81/MediaObjects/12906_2012_Article_1080_Fig2_HTML.jpg)
Dendrogram obtained by hierarchical cluster analysis based on the Euclidean distance between groups of leaf essential oils of eight Tunisian Eucalyptus species. Components that characterise the major sub groups, considered as chemotypes, are indicated.