The endocarp is the tissue that is directly in contact with the seeds (endo = inside), while the mesocarp (meso = middle) is the tissue found in between the endocarp, and the external fruit tissue, th...The endocarp is the tissue that is directly in contact with the seeds (endo = inside), while the mesocarp (meso = middle) is the tissue found in between the endocarp, and the external fruit tissue, the exocarp (exo = outside). Strawberries are a special type of fruit called an accessory fruit, which does not develop from the ovary of the flower but instead develops from the receptacle (the part that connects the flower to the stem).