From: Phenotypic variation of floral organs in flowering crabapples and its taxonomic significance
Principal Component | PC 1 | PC 2 | PC 3 | PC 4 | PC 5 | PC 6 | PC 7 | PC 8 | PC 9 | PC 10 |
---|---|---|---|---|---|---|---|---|---|---|
Load coefficient | ||||||||||
Floral phenotypic traits | ||||||||||
Petal color at the balloon stage | 0.93 | 0.11 | 0.11 | −0.05 | − 0.08 | − 0.01 | 0.03 | − 0.09 | − 0.01 | 0.02 |
Peduncle color | 0.90 | −0.01 | − 0.05 | 0.08 | 0.04 | 0.12 | −0.03 | −0.04 | 0.05 | 0.09 |
Sepal color | 0.89 | −0.08 | 0.12 | 0.11 | 0.09 | 0.19 | 0.08 | 0.03 | 0.13 | 0.04 |
Petal outside color | 0.89 | 0.14 | 0.10 | 0.00 | −0.11 | −0.05 | 0.09 | −0.13 | 0.01 | 0.09 |
Receptacle color | 0.83 | 0.22 | 0.02 | −0.02 | 0.03 | 0.08 | −0.14 | 0.06 | 0.16 | 0.06 |
Style color | 0.75 | −0.13 | − 0.09 | 0.22 | 0.07 | −0.14 | 0.05 | 0.01 | −0.23 | 0.08 |
Flower diameter | 0.11 | 0.95 | 0.02 | 0.12 | −0.11 | −0.06 | 0.04 | 0.02 | −0.08 | 0.10 |
Petal length | 0.11 | 0.94 | 0.02 | 0.07 | −0.07 | −0.08 | 0.07 | 0.05 | 0.02 | 0.11 |
Petal width | 0.04 | 0.81 | −0.48 | 0.06 | −0.11 | 0.05 | 0.11 | 0.06 | −0.01 | 0.08 |
Sepal length | −0.11 | 0.68 | −0.20 | −0.33 | − 0.09 | −0.43 | − 0.06 | 0.05 | − 0.04 | −0.20 |
Peduncle thickness | −0.06 | 0.59 | −0.17 | 0.06 | −0.50 | 0.18 | −0.10 | 0.26 | 0.02 | −0.21 |
Claw length | 0.11 | 0.58 | 0.26 | 0.18 | −0.26 | − 0.05 | −0.11 | − 0.34 | −0.31 | 0.21 |
Sepal width | −0.02 | 0.56 | −0.38 | −0.08 | − 0.26 | 0.47 | 0.03 | 0.23 | 0.05 | −0.25 |
Petal length / Petal width | 0.09 | −0.08 | 0.86 | −0.02 | 0.10 | −0.22 | −0.11 | 0.01 | 0.08 | −0.01 |
Petal shape | 0.12 | −0.06 | 0.79 | 0.15 | 0.04 | −0.03 | 0.13 | 0.18 | −0.09 | 0.07 |
Petal relative position | 0.05 | 0.12 | −0.74 | 0.30 | −0.04 | 0.10 | 0.02 | 0.24 | 0.13 | 0.06 |
Petal number per flower | 0.11 | 0.08 | −0.05 | 0.94 | 0.00 | −0.03 | 0.15 | 0.06 | −0.07 | −0.06 |
Flower type | 0.10 | 0.07 | −0.04 | 0.93 | 0.04 | 0.15 | 0.04 | 0.08 | 0.01 | 0.09 |
Receptacle pubescence | −0.03 | −0.20 | 0.06 | 0.05 | 0.92 | 0.02 | 0.08 | 0.07 | 0.03 | −0.04 |
Peduncle pubescence | 0.03 | −0.14 | 0.08 | −0.01 | 0.91 | 0.04 | 0.04 | −0.02 | 0.07 | 0.12 |
Sepal length / Sepal width | −0.04 | 0.11 | 0.16 | −0.07 | 0.13 | −0.86 | −0.02 | − 0.16 | −0.17 | − 0.06 |
Sepal apex shape | 0.15 | −0.04 | −0.20 | 0.08 | 0.23 | 0.74 | 0.00 | −0.16 | −0.11 | − 0.05 |
Peduncle length | 0.04 | 0.08 | −0.05 | 0.12 | 0.15 | −0.04 | 0.90 | 0.03 | 0.04 | 0.16 |
Pistil number per flower | −0.02 | 0.10 | 0.25 | 0.44 | −0.13 | 0.35 | 0.53 | 0.11 | 0.05 | −0.33 |
Petal surface wrinkle | −0.10 | 0.12 | 0.03 | 0.14 | 0.01 | 0.02 | 0.06 | 0.85 | −0.10 | 0.07 |
Relative position of stigmas and anthers | 0.16 | −0.14 | −0.11 | 0.01 | 0.11 | 0.09 | 0.07 | −0.08 | 0.83 | −0.06 |
Sepal deflexed | −0.44 | 0.17 | 0.10 | −0.28 | −0.13 | − 0.14 | −0.36 | − 0.11 | 0.45 | 0.10 |
Flower shape | 0.26 | 0.12 | 0.01 | 0.02 | 0.10 | 0.01 | 0.11 | 0.08 | −0.04 | 0.85 |
Eigenvalue | 5.50 | 5.11 | 3.25 | 2.50 | 1.86 | 1.35 | 1.04 | 0.99 | 0.97 | 0.87 |
Contribution rate / % | 19.66 | 18.26 | 11.60 | 8.93 | 6.64 | 4.81 | 3.72 | 3.53 | 3.45 | 3.11 |
Cumulative contribution rate / % | 19.66 | 37.92 | 49.52 | 58.45 | 65.09 | 69.90 | 73.62 | 77.15 | 80.60 | 83.71 |