Table 2.

Functions describing variations with position on the parent shoot of bud length (mm), bud diameter (mm), preformed shoot length (mm) and number of leaf primordia for samples I and II; and variations in the length, diameter and number of leaves of sibling shoots of sample III

	Intercept	Linear	Quadratic	r 2	n
Buds of samples I and II
Bud length
Sample I	2·092	0·101	–0·012	0·14	536
Sample II	2·140	0·134	–0·014	0·17	536
Bud diameter
Sample I	1·777	–0·001	–0·004	0·20	536
Sample II	1·723	0·066	–0·008	0·18	536
Preformed shoot length
Sample I	1·333	0·024	–0·005	0·10	511
Sample II	1·308	0·052	–0·007	0·18	516
Number of leaf primordia
Sample I	4·692	–0·146	–	0·25	504
Sample II	6·546	0·148	–0·034	0·30	523
Sibling shoots of sample III
Length	1·729	–1·230	–	0·58	882
Diameter	1·950	–0·074	–	0·39	856
Leaves	0·985	–0·523	–	0·54	856

The intercept, first‐order (linear) and second‐order (quadratic) coefficients, the coefficient of determination (r²), and the number of x–y pairs (N) are indicated for each function. Italic font indicates log–log data transformation before function fitting.