Photo: Castanea sativa 0.

Tree. This is the edible one. Compare to Aesculus hippocastanum, horse chestnut, which is not edible. Kew Garden, London, UK. Planted. 1995-08-01.

Castanea sativa P. Mill.
Engl.: sweet chestnut, European chestnut, Spanish chestnut.
Deu.: Esskastanie, Kastanie, Marone, Edelkastanie.
Suom.: jalokastanja, aito kastanja.
Sven.: äkta kastanj.
Bot. syn.: Castanea castanea (L.) H. Karst., Castanea vesca Gaertn., Castanea vulgaris Lam., Fagus castanea L.