opened castanea sativa, sweet chestnuts hidden in spiny cupules, tasty brownish nuts marron fruits

after autumn background branch brown brownish castanea chestnut chestnuts closeup concrete cupule cupules daylight delicious detail diet edible fall foliage food fruit fruits green hanging harvest healthy hidden husk late leaf macro marron nature nobody nut nuts open ornamental park prickly raw ripe ripened sativa season seasonal seeds shell shrub spiny summer sunlight sunny sweet tasty thorn thorny tree wild