pine cones without pine nuts are called Pinus tabulaeformis. Pinus tabulaeformis is a variety that only bears pine cones, but not pine nuts, such as pine trees along the street, while pine trees that bear pine nuts, such as Pinus koraiensis, Pinus massoniana and Pinus armandii, are common. These pine trees can bear huge pine nuts more than 1 cm long. Pine nuts are the seeds of Pinus koraiensis, a Pinaceae plant, and are one of the common nuts, which are rich in fat, protein and carbohydrates.