Fig. 1From: Effect of dormancy on the development of phloem fiber clustersTransverse sections of phloem tissues. a A tree grown without a dormancy phase (N-3 in Table 1). b A tree grown with three periodic dormancy phases (D-1 in Table 1). c A field-grown tree. Arrowheads show some of the fiber clusters. 1–3, Layers numbered in the manuscript. Scale bars, 200 µmBack to article page