Table 2. Phenotypic selection analyses on Lampa population of H. aromaticum.

	Linear gradient		Quadratic gradient		Correlational gradient
					Character j
					Pubescence		Shape
Character i	βI (SE)	P	γii (SE)	P	γij (SE)	P	γij (SE)	P
Germination at 100°C
Pubescence	-0.21 (0.19)	0.292	0.42 (0.13)	0.003
Shape	0.40 (0.20)	0.068	0.22 (0.12)	0.061	-0.43 (0.18)	0.022
Dormancy	-1.10 (0.21)	<0.001	-0.30 (0.24)	0.223	0.35 (0.20)	0.089	-0.15 (0.25)	0.523
Survival at 100°C
Pubescence	0.05 (0.22)	0.795	0.04 (0.19)	0.836
Shape	0.76 (0.24)	0.002	-0.04 (0.17)	0.794	-0.17 (0.28)	0.560
Dormancy	-0.11 (0.20)	0.586	0.62 (0.30)	0.048	-0.24 (0.24)	0.318	0.03 (0.31)	0.924
Germination at 80°C
Pubescence	0.01 (0.17)	0.974	0.28 (0.12)	0.027
Shape	-0.13 (0.17)	0.459	0.27 (0.11)	0.016	-0.42 (0.20)	0.037
Dormancy	-1.26 (0.17)	<0.001	-0.10 (0.20)	0.618	-0.03 (0.18)	0.882	-0.30 (0.22)	0.184
Survival at 80°C
Pubescence	-0.18 (0.20)	0.366	-0.11 (0.13)	0.153
Shape	-0.16 (0.20)	0.426	0.24 (0.19)	0.206	-0.14 (0.19)	0.448
Dormancy	0.21 (0.18)	0.234	0.24 (0.25)	0.353	-0.28 (0.17)	0.116	-0.35 (0.19)	0.071

Significant regression slopes are highlighted in bold (P<0.05, Generalized Linear Model, n = 68 individuals).