brown burr chestnut fruit green grove nature quill quills texture tree animal animals mammal mammals Porcupine rocks rodent white-tailed wildlife zoo adult bird chicken crested domesticated England english farm feathers fowl Great Britain head immature plumage Silkie Sussex ugly white young Castanea chinkapin chinquapin Fagaceae inner marron outer saavem sativa shell skin sweet appearance aromatic cassia cinnamon cinnamon-granules cinnamon-powder cinnamon-quills cinnamon-sticks condiment cookery cooking dry flavor flavoring flavour flavouring ground-cinnamon kayu-manis medicinal medicine nutrition nutritional odour pungent savory savoury scent several-forms spice spicy sweet-wood taste tasty textures variety various