Table 2. Pearson product-moment correlation matrix between all paring seed attributes of 10 Macaranga species.

	Crown illumination index*	Seed dry mass*	Seed coat thickness*
Seed dry mass	−0.87
Seed coat thickness	0.50	−0.41
Total mass-standardized peak area	−0.04	−0.13	−0.04

* The coefficients with significance P<0.001 are indicated in boldface.