Table 5.
Relative distinguishing power of characters between species by factor or PCA analyses. Bold factors are those highly associated with the corresponding loading.
| FAPC-rotated loadings | FAML-rotated loadings | PCA-loading matrix | |||||
|---|---|---|---|---|---|---|---|
| All specimens | FA1 (32.2%) | FA2 (19.3%) | FA1 (26.6%) | FA2 (12.8%) | FA3 (12.5%) | PC1 (33.5%) | PC2 (17.9%) |
| mvp|gr | m|vp | mvp|gr | m|vp | m|vp | mvp|gr | m|vp | |
| flower | 0.917418 | 0.146258 | 0.951893 | 0.091466 | 0.02346 | 0.91974 | -0.13088 |
| calyx | 0.951527 | 0.160732 | 0.914948 | 0.135937 | 0.192597 | 0.9566 | -0.12712 |
| calyx tube | 0.865426 | 0.125783 | 0.838602 | 0.109935 | 0.475039 | 0.86402 | -0.13511 |
| lower tooth | 0.718706 | 0.090375 | 0.243157 | -0.207947 | 0.216766 | 0.71338 | -0.12566 |
| stipules | 0.078849 | 0.345099 | 0.044324 | 0.807081 | 0.096593 | 0.17714 | 0.30648 |
| petioles | 0.006661 | 0.549323 | 0.003746 | 0.629476 | 0.071232 | 0.16841 | 0.52291 |
| leaflets | 0.04924 | 0.477942 | 0.087371 | 0.278027 | -0.074971 | 0.18804 | 0.44215 |
| bracts | 0.051288 | 0.765723 | -0.028996 | 0.236017 | 0.206967 | 0.27489 | 0.71652 |
| peduncle | -0.008032 | 0.748081 | 0.125539 | 0.146123 | -0.014782 | 0.21301 | 0.71716 |
| pedicel | 0.440783 | -0.24418 | 0.357629 | 0.015441 | 0.933736 | 0.34914 | -0.36334 |
| MVP only | FA1 (25.5%) | FA2 (23.7%) | FA1 (20.3%) | FA2 (19%) | FA3 (12.9%) | PC1 (29.1%) | PC2 (20%) |
| m|vp | vp|v | m|vp | m~vp | p~v | m|vp | vp|v | |
| flower | -0.374642 | 0.705445 | 0.991576 | 0.090467 | -0.092824 | 0.73706 | 0.30781 |
| calyx | -0.044509 | 0.920401 | 0.783954 | -0.304062 | -0.105493 | 0.61815 | 0.68338 |
| calyx tube | -0.697581 | 0.092945 | 0.574663 | 0.254593 | -0.285595 | 0.59828 | -0.37056 |
| lower tooth | 0.29626 | 0.868977 | 0.206384 | 0.173869 | 0.009934 | 0.32207 | 0.85975 |
| stipules | 0.209798 | -0.179713 | 0.176519 | 0.973894 | 0.144094 | -0.27618 | -0.00589 |
| petioles | 0.407106 | -0.289188 | 0.046761 | -0.393911 | 0.898281 | -0.49816 | 0.03461 |
| leaflets | 0.620859 | -0.002673 | -0.131126 | -0.151598 | 0.410291 | -0.48171 | 0.3917 |
| bracts | 0.819303 | -0.046928 | -0.038605 | -0.658242 | 0.367456 | -0.66321 | 0.48334 |
| peduncle | 0.724966 | -0.100322 | -0.054292 | 0.073884 | 0.210615 | -0.62414 | 0.38222 |
| pedicel | -0.190591 | 0.359369 | 0.027441 | -0.371378 | 0.117906 | 0.37528 | 0.15697 |
| Pediomelum megalanthum varieties | FA1 (25.2%) | FA2 (23.4%) | FA1 (21%) | FA2 (19%) | PC1 (29.5%) | PC2 (19.1%) | |
| g~r | gr | g~r | gr | g~r | gr | ||
| flower | 0.392436 | 0.664925 | 0.745911 | 0.264933 | 0.7282 | 0.25664 | |
| calyx | 0.16657 | 0.885112 | 0.614819 | -0.08418 | 0.69691 | 0.57051 | |
| calyx tube | 0.68603 | 0.446127 | 0.535314 | 0.386092 | 0.81223 | -0.09975 | |
| lower tooth | -0.425283 | 0.725083 | 0.318941 | 0.092851 | 0.14083 | 0.82872 | |
| stipules | 0.091589 | 0.427999 | -0.043631 | -0.156071 | 0.34545 | 0.26877 | |
| petioles | -0.003729 | -0.36035 | 0.279887 | 0.927344 | -0.23466 | -0.27349 | |
| leaflets | -0.602025 | -0.244695 | -0.361722 | 0.823352 | -0.61834 | 0.19993 | |
| bracts | 0.805107 | -0.091753 | 0.188143 | 0.265238 | 0.55739 | -0.58816 | |
| peduncle | 0.465463 | 0.074153 | -0.493267 | -0.003841 | 0.40407 | -0.24265 | |
| pedicel | -0.672394 | 0.057123 | -0.538243 | -0.170644 | -0.47806 | 0.47628 | |
FAPC, factor analysis on principal components. FAML, factor analysis via maximum likelihood. PCA, principal component analysis. FA1, factor 1. FA2, factor 2. FA3, factor 3. PC1, principal component 1. PC2, principal component 2. (%), amount of variance explained by that factor or component. m, Pediomelum mephiticum. v, Pediomelum verdiense. p, Pediomelum pauperitense. g, Pediomelum megalanthum var. megalanthum. r, Pediomelum megalanthum var. retrorsum. Symbols signify a strong (|) or moderate (~) split between indicated taxa.