close up of ready to fall chestnuts castanea sativa seeds in the protective spiky shells

area autumn background bay branch branches bright brown bursting castanea chestnut chestnuts close colorful colors creacked crown cultivated detail edible europe european fall foliage food francisco fresh fruit harvest healthy ingredient large leaves macro natural nature nut orchard organic plant portuguese protective raw ready ripe rustic san sativa season seasonal seeds shells spanish spikes spiky sunny sunshine sweet tasty traditional treat trees