Table 3 in Taxonomic revision of Ceropegia sect. Huernia (Asclepiadoideae, Apocynaceae) in Saudi Arabia with three new combinations

Table 3. Eigenvalues in two principal components (PC1 and PC2) of value relative to 46 morphological characters of sect. Huernia Huernia in Saudi Arabia.
CharactersPC1PC2width of base of tubercles (mm)0.078-0.038length of branches (mm)0.003-0.107length of tubercles on branches (mm)0.0500.254stem grooves between tubercle rows0.132-0.208flower smell-0.079-0.317number of flowers per inflorescence0.014-0.023flowers opening-0.025-0.261length of pedicel (mm)0.1710.053diam. of pedicel (mm)0.1620.019pedicel tapering toward the point of flower attachment0.139-0.077pedicel growth direction0.1940.268length of sepals (mm)0.141-0.202width at base of sepals (mm)0.125-0.043corolla shape-0.2520.009corolla lobe apex groove0.0360.027corolla inside surface texture-0.0850.072corolla tube0.160-0.215shape of papillae inside corolla0.2410.092thickness of papillae at base0.1600.074corolla inside (background colour)0.1710.142corolla inside (colour pattern)-0.1080.011corolla exterior (colour pattern)0.076-0.224corolla tube interior (colour pattern)0.1580.153corolla lobes colour0.075-0.158corolla lobes spreading0.1720.011width of base of tubercles (mm)0.1280.229corolla lobe shape0.1940.110diam. of corolla0.0890.022length of corolla tube (mm)0.198-0.139diam. of corolla tube at mouth (mm)0.209-0.045length of intermediate lobe (mm)0.1560.004length of corolla lobe (mm)0.186-0.085width of corolla lobe at base (mm)0.131-0.077outer corona colour0.0430.056outer corona shape-0.031-0.237outer corona lobe shape0.091-0.259outer corona lobe apex0.1640.058outer corona fleshy tubercle-0.039-0.075diam. of outer corona (mm)0.2160.080inner corona shape0.219-0.183length of inner corona (mm)0.2440.054width of inner corona at base (mm)0.173-0.029inner corona dorsal gibbosity0.2550.071inner corona base end0.214-0.210inner corona apices0.031-0.265inner corona apex texture0.100-0.072