功能叶Function leaves	回归方程Regression equation	R²
长柄叶Long petiole leaf	$Y = 16.562 L + 8.449 W - 0.079 L W - 273.014$	0.782^**
短柄叶Short petiole leaf	$Y = 0.394 L W^{1.083}$	0.97^**
无柄叶Sessile leaf	$Y = 1.966 L + 3.14 W + 0.335 L W - 22.426$	0.981^**