One of the world's rarest pines, this beautiful species is found only in a small area in southern Zacatecas, Mexico, where it forms part of a dry montane forest between 1600 and 2600 m (5200 and 8500 ft.). Closely related to P. pinceana, it grows into a medium-sized tree, to 16 m (50 ft.) tall, with a broad, occasionally somewhat irregular crown on a short, stocky trunk. The dense, stiff, threadlike leaves can reach 23 cm (9 in.) long and have a wonderful bluish color. The large cones can weigh up to 2 kg (4.5 lb), take over two years to mature and produce the largest seeds of any pine. Pinus maximartinezii is endangered in habitat apparently because of the excessive collection of the seeds for human consumption (pine nuts) as well as grazing livestock and fires that prevent young trees from succeeding. It makes a stunning ornamental but is still extremely rare in cultivation.