Figure 2: Longitudinal section through a coconut (left) and plan view of stone (right)

1 thin, yellow-brown, watertight outer skin (exocarp)
2 thick, fibrous middle layer (coconut fiber, coir, mesocarp)
3 hard inner layer, the stone (endocarp)
4 white, oily copra layer, 1 – 2 cm thick (solid endosperm)
5 cavity filled with coconut milk (liquid endosperm)
6 embryo
7 „eyes“ (3 germ pores set in pits)