- The seed of the Mediterranean stone pine tree, Pinus pinea, from the Mediterranean and North Africa. They are sold shelled, are cream coloured with a slightly resinous flavour and oily texture and about the size of a lemon pip. Popular in Middle Eastern and Italian cooking and used to make pesto. The seeds of various other pine trees are eaten worldwide e.g. P. koraiensis (Korea), P. gerardiana (Himalayas), P. cembroides (Mexico and southwest USA). In fact most pine tree seeds if sufficiently large are eaten somewhere.