Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12864-021-08056-5/MediaObjects/12864_2021_8056_Fig1_HTML.png)
The phylogenetic tree of XTHs members from Camellia sinensis and Arabidopsis thaliana. Different subclasses are marked with dots of different colors (black dots: subclass I; green dots: subclass II; blue dots: subclass IIIA; pink dots: subclass IIIB)