Fig. 2
From: Evolutionary correlation of water-related traits between different structures of Dendrobium plants
Principal component analysis (PCA) of species mean values of Dendrobium plant traits. LDM leaf dry mass, LWC leaf water content; LDMC, leaf dry matter content, SLA specific leaf area, MT mesophyll thickness, UECS upper epidermal cell size, SD stomatal density, SV stomatal volume, SAI stomatal area index, VD vein density, PL pseudobulb length, PW pseudobulb width, PIL pseudobulb internode length, FDM flower dry mass, FWC flower water content, FPVN flower petal vein number, FN flower number per pseudobulb