Figure 4
Longitudinal views of a grafted inflorescence A. thaliana stem. A floral stem graft showing expansion of the silicone tubing surrounding the wedge junction (A) and grafted stem tissues fused tightly in the absence of the silicone tubing (B). (C and D) A longitudinal section through the floral stem graft shows lignified tissues (blue-green) and non-lignified (purple-red) tissues surrounding the grafted wedge.