Table 1.

Structural characteristics of leaves and stems by layer.

Layer	Leaf				Stem
	Leaf area (cm2)	Petiole length (cm)	Dropness (°)	nz	Radius (mm)	Length (cm)	nz
1	181.4	7.0	30.33	4	4.3	8.3	2
3	189.9	6.3	37.08	4	4.5	7.5	2
5	200.3	5.3	34.92	4	4.1	9.2	2
7	220.0	6.1	29.25	4	4.2	8.8	2
9	200.2	5.0	45.72	4	4.0	7.9	2
11	269.8	5.4	36.18	4	4.4	9.0	2
13	243.8	5.1	57.78	4	4.4	8.5	2
15	181.1	3.8	51.84	6	4.2	3.4	4

^zreplicates.