Fig. 2From: Modelling wood formation and structure: power and limits of a morphogenetic gradient in controlling xylem cell proliferation and growthCumulative radial growth and cell numbers of Scots pine (Pinus sylvestris) through a growing season. a Stem radial growth obtained by microcores. Data courtesy from Alice Michelot, published in Michelot et al. (2012). b Number of cells in the cambial, enlargement and thickening zones. Data courtesy from Henri Cuny, published in Cuny et al. (2013)Back to article page