castanea sativa, sweet chestnuts hidden in spiny cupules, tasty brownish nuts marron fruits, branches with leaves

autumn blue branch brownish castanea chestnut chestnuts closed closeup cupule cupules delicious detail diet edible fall foliage food fruit fruits green grow hanging healthy hidden husk leaf macro marron natural nature nobody nut nuts organic ornamental park prickly ripening sativa season seasonal seeds shrub sky spiny summer sunlight sunny sweet tasty thorn thorny tree unripened wild world