Allocation (mean % ± SD, n = 5) of nutrients and mobile carbohydrates within a Quercus variabilis seedling grown in different geographical locations and in a common garden in China.

ND = northern distribution, Zhuang-He in NE China; MD = middle distribution, He-Feng in central China; SD = southern distribution; An-Ning in SW China; No letters indicate non-significant difference, and different letters indicate significant difference at pin situ or ex situ).