Fig. 4From: Extended xylogenesis and stem biomass production in Juniperus przewalskii Kom. during extreme late-season climatic eventsNumber of cells in different development stages of xylogenesis in the trees with intra-annual density fluctuation (IADF) (squares) and without IADF (circles) formation throughout the 2016 growing season. Error bars indicate the mean ± SE; the gray-shaded area in each panel illustrates the 16-day period, from July 29 through August 13, without any measurable precipitationBack to article page