The outer layer of the pericarp of a fruit.
- The mechanical performance of the exocarp including the cuticle, the epidermis, and a variable number of hypodermal cell layers, is of considerable economic significance for the integrity of the whole fruit.
- The fruit is a one-seeded drupe consisting of a fleshy exocarp and mesocarp and a hard endocarp that is united with the seed coat.
- At maturity, after drying down and the shrinkage of the unthickened exocarp these traces were prominent on the surface of the pod in Apex, giving it the ‘ribbed’ appearance described above.
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