Structure of Needle Highlights Ecological Adaptability and Microevolution of Natural Populations of Cedrus atlantica in Morocco

Table 4

Pearson coefficient of correlation between pairs of morphological and anatomical traits studied.

Traits	NL	NW	CT	NF	NLS
NW	−0.341
CT	−0.106	0.541
NF	−0.137	−0.085	−0.120
NLS	0.159	0.284	0.250	−0.165
NN/R	0.030	0.246	0.088	−0.159	0.025

NL, needle length; NW, needle width; CT, cuticle thickness; NF, number of facets; NLS, number of stomatal lines; NN/R, number of needles per brachyblast. Correlation is significant at 0.01 level. Correlation is significant at 0.05 level.