;"PCA1 (Fig. 3)";"PCA2 (Fig. 4A)";"PCA3 (Fig. 4B)" Character;PC1;PC2;PC1;PC2;PC1;PC2 flower;0.502;-0.098;0.432;0.218;0.424;0.186 calyx;0.522;-0.095;0.362;0.484;0.405;0.413 "calyx tube";0.472;-0.101;0.350;-0.262;0.473;-0.072 "lower calyx tooth";0.390;-0.094;0.189;0.608;0.082;0.600 stipules;0.097;0.229;-0.162;-0.004;0.201;0.195 petioles;0.092;0.391;-0.292;0.024;-0.137;-0.198 leaflets;0.103;0.330;-0.282;0.277;-0.360;0.145 bracts;0.150;0.536;-0.389;0.342;0.324;-0.426 peduncle;0.116;0.536;-0.366;0.270;0.235;-0.176 pedicel;0.191;-0.272;0.220;0.111;-0.278;0.345