castanea sativa ripening fruits in spiny cupules, edible hidden brown tasty seed nuts hanging on tree branches, green leaves

chestnut sweet green fruit husk color nuts tree autumn castanea brown plant edible branches branch leaves thorns background seasonal harvest outdoor tasty crop gourmet chestnuts ripe seed ingredient october raw day hanging spines spikes beautiful growing outside bright eatable park texture exterior sativa season ripening fruits spiny cupules hidden