Fig. 3From: Evolutionary correlation of water-related traits between different structures of Dendrobium plantsSignificant correlations of species mean values and phylogenetically independent contrasts (PICs) between pseudobulb and its internode length and leaf traits. *p < 0.05; **p < 0.01. MT mesophyll thickness, SD stomatal density, SV stomatal volume, PL pseudobulb length, PIL pseudobulb internode lengthBack to article page