Table 1.

Results of linear regression analyses on leaf components underlying M : BS ratios in Alloteropsis semialata

	F	df	Adj R 2	P	t	P
Total M area/segment (μm2)	59.35	2, 47	0.704	1.38 × 10−13
Leaf thickness (μm)					3.98	0.00024
Interveinal distance* (μm)					10.58	5.07 × 10−14
Interveinal distance (μm)	343.4	2, 47	0.933	< 2.2 × 10−16
Number M cells between veins†					25.48	< 2 × 10−16
M cell size (μm2)					6.97	9.22 × 10−9
Total BS area/segment (μm2)	124.8	2, 47	0.835	< 2.2 × 10−16
BS cell size‡ (μm2)					9.52	1.54 × 10−12
Vein density (veins/segment)					4.23	0.00011

*Average distance between the center points of all veins.

†Number of mesophyll (M) cells between all veins.

‡Cross‐sectional area of inner bundle sheath (BS) cells on tertiary order veins.